| Order | Family | Species | Status | FB name | Name |
| Perciformes | Sparidae | Acanthopagrus berda | native | Picnic seabream | Kungu |
| Cypriniformes | Cyprinidae | Acapoeta tanganicae | native | Mbaraga | |
| Perciformes | Cichlidae | Alcolapia alcalicus | native | Natron tilapia | |
| Perciformes | Cichlidae | Alcolapia grahami | native | ||
| Perciformes | Cichlidae | Alcolapia latilabris | native | ||
| Perciformes | Cichlidae | Alcolapia ndalalani | native | ||
| Characiformes | Alestidae | Alestes liebrechtsii | native | ||
| Characiformes | Alestidae | Alestes macrophthalmus | native | Torpedo robber | |
| Characiformes | Alestidae | Alestes stuhlmannii | native | Ngacha | |
| Characiformes | Alestidae | Alestopetersius leopoldianus | misidentification | ||
| Perciformes | Cichlidae | Alticorpus geoffreyi | native | ||
| Perciformes | Cichlidae | Alticorpus macrocleithrum | native | ||
| Perciformes | Cichlidae | Alticorpus mentale | native | ||
| Perciformes | Cichlidae | Altolamprologus calvus | native | ||
| Perciformes | Cichlidae | Altolamprologus compressiceps | native | ||
| Perciformes | Ambassidae | Ambassis gymnocephalus | native | Bald glassy | |
| Perciformes | Ambassidae | Ambassis urotaenia | native | Banded-tail glassy perchlet | |
| Siluriformes | Amphiliidae | Amphilius chalei | native | ||
| Siluriformes | Amphiliidae | Amphilius jacksonii | native | Marbled mountain catfish | |
| Siluriformes | Amphiliidae | Amphilius kivuensis | native | ||
| Siluriformes | Amphiliidae | Amphilius uranoscopus | native | Stargazer mountain catfish | Stargazer mountain catlet |
| Anguilliformes | Anguillidae | Anguilla bengalensis labiata | native | African mottled eel | Mkunga |
| Anguilliformes | Anguillidae | Anguilla bicolor bicolor | native | Indonesian shortfin eel | Mkunga |
| Anguilliformes | Anguillidae | Anguilla mossambica | native | African longfin eel | Mkunga |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys atripinna | endemic | ||
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys bukobanus | native | Bukoba lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys centralis | native | Cental east african lampeye | Cental east african lampeye |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys eduardensis | native | ||
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys fuelleborni | endemic | Lake Rukwa lampeye | Lake Rukwa lampeye |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys kongoranensis | native | Kongoro lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys lacustris | endemic | Kibiti Lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys maculatus | native | Spotted lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys matthesi | native | Saisi lampeye | Saisi lampeye |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys meyburgi | native | ||
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys moeruensis | native | Moero lampeye | Moero lampeye |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys omoculatus | endemic | Ruaha lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys usanguensis | endemic | Usangu lampeye | |
| Perciformes | Cichlidae | Aristochromis christyi | native | ||
| Siluriformes | Ariidae | Arius africanus | native | African sea catfish | Fumi |
| Siluriformes | Ariidae | Arius madagascariensis | misidentification | Madagascar sea catfish | Hongwe |
| Perciformes | Cichlidae | Astatoreochromis alluaudi | native | Alluaud's haplo | |
| Perciformes | Cichlidae | Astatoreochromis straeleni | native | Bluelip haplo | |
| Perciformes | Cichlidae | Astatoreochromis vanderhorsti | native | ||
| Perciformes | Cichlidae | Astatotilapia bloyeti | native | Bloyet's haplo | |
| Perciformes | Cichlidae | Astatotilapia burtoni | native | Kitchetche | |
| Perciformes | Cichlidae | Astatotilapia calliptera | native | Eastern happy | Kolokoto |
| Perciformes | Cichlidae | Astatotilapia stappersii | native | ||
| Perciformes | Cichlidae | Astatotilapia tweddlei | native | ||
| Siluriformes | Mochokidae | Atopochilus vogti | native | ||
| Siluriformes | Claroteidae | Auchenoglanis occidentalis | native | Bubu | Kavungwa |
| Perciformes | Cichlidae | Aulonocara brevinidus | native | ||
| Perciformes | Cichlidae | Aulonocara gertrudae | native | ||
| Perciformes | Cichlidae | Aulonocara guentheri | native | ||
| Perciformes | Cichlidae | Aulonocara nyassae | native | Emperor cichlid | |
| Perciformes | Cichlidae | Aulonocranus dewindti | native | ||
| Perciformes | Gobiidae | Awaous aeneofuscus | native | Freshwater goby | Freshwater goby |
| Perciformes | Gobiidae | Awaous lateristriga | native | West African freshwater goby | |
| Siluriformes | Bagridae | Bagrus degeni | native | ||
| Siluriformes | Bagridae | Bagrus docmak | native | Semutundu | Semutundu |
| Siluriformes | Bagridae | Bagrus meridionalis | native | Kampoyo | Ntungamba |
| Siluriformes | Bagridae | Bagrus orientalis | native | Katoga | |
| Perciformes | Cichlidae | Baileychromis centropomoides | native | ||
| Cypriniformes | Cyprinidae | Barbus acuticeps | native | ||
| Cypriniformes | Cyprinidae | Barbus altianalis | native | Ripon barbel | Kasinja |
| Cypriniformes | Cyprinidae | Barbus apleurogramma | native | East african red finned barb | East african red finned barb |
| Cypriniformes | Cyprinidae | Barbus arcislongae | native | ||
| Cypriniformes | Cyprinidae | Barbus atkinsoni | native | Dash-dot barb | |
| Cypriniformes | Cyprinidae | Barbus brachygramma | native | Linespotted ufipa barb | Linespotted ufipa barb |
| Cypriniformes | Cyprinidae | Barbus caudovittatus | native | ||
| Cypriniformes | Cyprinidae | Barbus eurystomus | native | Kadyakolo | |
| Cypriniformes | Cyprinidae | Barbus innocens | native | Inconspicious barb | Inconspicious barb |
| Cypriniformes | Cyprinidae | Barbus jacksoni | native | Jackson's barb | Jackson's barb |
| Cypriniformes | Cyprinidae | Barbus kerstenii | native | Redspot barb | |
| Cypriniformes | Cyprinidae | Barbus laticeps | native | ||
| Cypriniformes | Cyprinidae | Barbus lineomaculatus | native | Line-spotted barb | Linespotted barb |
| Cypriniformes | Cyprinidae | Barbus luikae | native | Luika barb | Luika barb |
| Cypriniformes | Cyprinidae | Barbus macrolepis | native | ||
| Cypriniformes | Cyprinidae | Barbus magdalenae | native | Bunjako barb | |
| Cypriniformes | Cyprinidae | Barbus neumayeri | native | Neumayer's barb | |
| Cypriniformes | Cyprinidae | Barbus nyanzae | native | Nyanza barb | |
| Cypriniformes | Cyprinidae | Barbus oligogrammus | native | ||
| Cypriniformes | Cyprinidae | Barbus olivaceus | native | Olivegreen ufipa barb | Olivegreen ufipa barb |
| Cypriniformes | Cyprinidae | Barbus oxyrhynchus | native | Pangani barb | |
| Cypriniformes | Cyprinidae | Barbus pagenstecheri | native | ||
| Cypriniformes | Cyprinidae | Barbus paludinosus | native | Straightfin barb | Dagaa |
| Cypriniformes | Cyprinidae | Barbus pellegrini | native | Pellegrin's barb | Pellegrin's barb |
| Cypriniformes | Cyprinidae | Barbus platyrhinus | native | ||
| Cypriniformes | Cyprinidae | Barbus profundus | native | ||
| Cypriniformes | Cyprinidae | Barbus pseudotoppini | native | ||
| Cypriniformes | Cyprinidae | Barbus quadripunctatus | native | Fourspotted barb | |
| Cypriniformes | Cyprinidae | Barbus radiatus radiatus | native | Redeye barb | Dagaa |
| Cypriniformes | Cyprinidae | Barbus salmo | native | ||
| Cypriniformes | Cyprinidae | Barbus serengetiensis | native | ||
| Cypriniformes | Cyprinidae | Barbus sexradiatus | native | Kavirondo barb | |
| Cypriniformes | Cyprinidae | Barbus somereni | native | ||
| Cypriniformes | Cyprinidae | Barbus toppini | native | East Coast barb | |
| Cypriniformes | Cyprinidae | Barbus trimaculatus | native | Threespot barb | |
| Cypriniformes | Cyprinidae | Barbus trispilopleura | native | ||
| Cypriniformes | Cyprinidae | Barbus tropidolepis | native | Biriki | |
| Cypriniformes | Cyprinidae | Barbus usambarae | native | ||
| Cypriniformes | Cyprinidae | Barbus venustus | native | Red Pangani barb | |
| Cypriniformes | Cyprinidae | Barbus viktorianus | native | Victoria barb | |
| Cypriniformes | Cyprinidae | Barbus viviparus | native | Bowstripe barb | |
| Siluriformes | Claroteidae | Bathybagrus grandis | native | Kukumai | Kukumai |
| Siluriformes | Claroteidae | Bathybagrus graueri | native | ||
| Siluriformes | Claroteidae | Bathybagrus platycephalus | native | ||
| Siluriformes | Claroteidae | Bathybagrus sianenna | native | Kanimba | |
| Siluriformes | Claroteidae | Bathybagrus stappersii | native | ||
| Siluriformes | Claroteidae | Bathybagrus tetranema | native | ||
| Perciformes | Cichlidae | Bathybates fasciatus | native | ||
| Perciformes | Cichlidae | Bathybates ferox | native | ||
| Perciformes | Cichlidae | Bathybates graueri | native | ||
| Perciformes | Cichlidae | Bathybates hornii | native | ||
| Perciformes | Cichlidae | Bathybates leo | native | ||
| Perciformes | Cichlidae | Bathybates minor | native | ||
| Perciformes | Cichlidae | Bathybates vittatus | native | ||
| Siluriformes | Clariidae | Bathyclarias atribranchus | native | ||
| Siluriformes | Clariidae | Bathyclarias euryodon | native | Pwefu | |
| Siluriformes | Clariidae | Bathyclarias filicibarbis | native | ||
| Siluriformes | Clariidae | Bathyclarias foveolatus | native | Chimwamapumba | |
| Siluriformes | Clariidae | Bathyclarias gigas | native | Bombe | |
| Siluriformes | Clariidae | Bathyclarias ilesi | native | ||
| Siluriformes | Clariidae | Bathyclarias jacksoni | native | ||
| Siluriformes | Clariidae | Bathyclarias longibarbis | native | ||
| Siluriformes | Clariidae | Bathyclarias nyasensis | native | Nkomo | |
| Siluriformes | Clariidae | Bathyclarias rotundifrons | native | Nkomo | |
| Siluriformes | Clariidae | Bathyclarias worthingtoni | native | Nkopora | |
| Perciformes | Cichlidae | Benthochromis melanoides | native | ||
| Perciformes | Cichlidae | Benthochromis tricoti | native | ||
| Perciformes | Cichlidae | Boulengerochromis microlepis | native | Giant cichlid | Kuhe |
| Osteoglossiformes | Mormyridae | Brienomyrus longianalis | native | Mpanda | |
| Characiformes | Alestidae | Brycinus affinis | native | Redfin robber | Ngacha |
| Characiformes | Alestidae | Brycinus grandisquamis | native | Pinkfin Alestes | |
| Characiformes | Alestidae | Brycinus imberi | native | Spot-tail | Mansali |
| Characiformes | Alestidae | Brycinus jacksonii | native | Victoria robber | Osoga |
| Characiformes | Alestidae | Brycinus macrolepidotus | native | True big-scale tetra | |
| Characiformes | Alestidae | Brycinus rhodopleura | native | Kologo | |
| Characiformes | Alestidae | Brycinus sadleri | native | Sadler's robber | Osoga |
| Characiformes | Alestidae | Bryconaethiops boulengeri | native | ||
| Characiformes | Alestidae | Bryconaethiops macrops | native | ||
| Perciformes | Cichlidae | Buccochromis heterotaenia | native | ||
| Perciformes | Cichlidae | Buccochromis lepturus | native | Slender tail hap | |
| Perciformes | Cichlidae | Buccochromis nototaenia | native | Stripeback hap | |
| Perciformes | Cichlidae | Buccochromis rhoadesii | native | ||
| Perciformes | Cichlidae | Buccochromis spectabilis | native | ||
| Perciformes | Eleotridae | Butis koilomatodon | native | Mud sleeper | |
| Perciformes | Cichlidae | Callochromis macrops | native | ||
| Perciformes | Cichlidae | Callochromis melanostigma | native | ||
| Perciformes | Cichlidae | Callochromis pleurospilus | native | ||
| Perciformes | Cichlidae | Caprichromis orthognathus | native | ||
| Carcharhiniformes | Carcharhinidae | Carcharhinus leucas | native | Bull shark | |
| Perciformes | Cichlidae | Cardiopharynx schoutedeni | native | ||
| Perciformes | Cichlidae | Chalinochromis brichardi | native | Bifrenatus | |
| Perciformes | Cichlidae | Chalinochromis popelini | native | ||
| Perciformes | Cichlidae | Champsochromis caeruleus | native | ||
| Perciformes | Cichlidae | Champsochromis spilorhynchus | native | ||
| Gonorynchiformes | Chanidae | Chanos chanos | native | Milkfish | Mwatiko |
| Perciformes | Cichlidae | Cheilochromis euchilus | native | Malawi thick lip | |
| Cypriniformes | Cyprinidae | Chelaethiops congicus | native | ||
| Cypriniformes | Cyprinidae | Chelaethiops minutus | native | ||
| Cypriniformes | Cyprinidae | Chelaethiops rukwaensis | native | Lake Rukwa sardine | Dagaa |
| Siluriformes | Mochokidae | Chiloglanis asymetricaudalis | native | ||
| Siluriformes | Mochokidae | Chiloglanis brevibarbis | native | Short barbelled suckermouth | |
| Siluriformes | Mochokidae | Chiloglanis deckenii | native | Pangani suckermouth | |
| Siluriformes | Mochokidae | Chiloglanis kalambo | native | Kalambo suckermouth | Kalambo suckermouth |
| Siluriformes | Mochokidae | Chiloglanis lukugae | native | ||
| Siluriformes | Mochokidae | Chiloglanis mbozi | native | Mbozi suckermouth | Mbozi suckermouth |
| Siluriformes | Mochokidae | Chiloglanis neumanni | native | Neumann's suckermouth | |
| Siluriformes | Mochokidae | Chiloglanis pojeri | native | ||
| Siluriformes | Mochokidae | Chiloglanis rukwaensis | native | Lake Rukwa suckermouth | Lake Rukwa suckermouth |
| Siluriformes | Mochokidae | Chiloglanis ruziziensis | native | ||
| Siluriformes | Mochokidae | Chiloglanis somereni | native | Someren's suckermouth | |
| Siluriformes | Mochokidae | Chiloglanis trilobatus | native | Three-lobed suckermouth | Three-lobed suckermouth |
| Siluriformes | Claroteidae | Chrysichthys brachynema | native | Kibonde | Kibonde |
| Characiformes | Citharinidae | Citharinus congicus | native | Mbarami | |
| Characiformes | Citharinidae | Citharinus gibbosus | native | Imbaza | |
| Characiformes | Citharinidae | Citharinus latus | native | ||
| Siluriformes | Clariidae | Clariallabes petricola | native | Victoria snake catfish | |
| Siluriformes | Clariidae | Clarias alluaudi | native | Alluaud's catfish | Kambale |
| Siluriformes | Clariidae | Clarias gariepinus | native | North African catfish | Kambale |
| Siluriformes | Clariidae | Clarias liocephalus | native | Smoothhead catfish | Kambale |
| Siluriformes | Clariidae | Clarias ngamensis | native | Blunt-toothed African catfish | |
| Siluriformes | Clariidae | Clarias theodorae | native | Snake catfish | |
| Siluriformes | Clariidae | Clarias werneri | native | Werner's catfish | Mali |
| Siluriformes | Claroteidae | Clarotes laticeps | native | Widehead catfish | |
| Perciformes | Cichlidae | Copadichromis borleyi | native | Haplochromis borleyi redfin | |
| Perciformes | Cichlidae | Copadichromis cyaneus | native | ||
| Perciformes | Cichlidae | Copadichromis ilesi | native | ||
| Perciformes | Cichlidae | Copadichromis jacksoni | native | ||
| Perciformes | Cichlidae | Copadichromis quadrimaculatus | native | ||
| Perciformes | Cichlidae | Copadichromis trewavasae | native | ||
| Perciformes | Cichlidae | Copadichromis trimaculatus | native | Verduya's hap | |
| Perciformes | Cichlidae | Copadichromis virginalis | native | ||
| Perciformes | Cichlidae | Corematodus shiranus | native | ||
| Perciformes | Cichlidae | Corematodus taeniatus | native | ||
| Perciformes | Cichlidae | Ctenochromis benthicola | native | ||
| Perciformes | Cichlidae | Ctenochromis horei | native | Mbaramatete | |
| Perciformes | Cichlidae | Ctenochromis pectoralis | native | Pangani haplo | |
| Cypriniformes | Cyprinidae | Ctenopharyngodon idella | introduced | Grass carp | |
| Perciformes | Cichlidae | Ctenopharynx nitidus | native | ||
| Perciformes | Cichlidae | Ctenopharynx pictus | native | ||
| Perciformes | Anabantidae | Ctenopoma muriei | native | Ocellated labyrinth fish | |
| Perciformes | Cichlidae | Cunningtonia longiventralis | native | ||
| Perciformes | Cichlidae | Cyathochromis obliquidens | native | ||
| Perciformes | Cichlidae | Cyathopharynx furcifer | native | Featherfin cichlid | |
| Perciformes | Cichlidae | Cynotilapia afra | native | ||
| Perciformes | Cichlidae | Cyphotilapia frontosa | native | Humphead cichlid | |
| Perciformes | Cichlidae | Cyphotilapia gibberosa | native | ||
| Perciformes | Cichlidae | Cyprichromis leptosoma | native | ||
| Perciformes | Cichlidae | Cyprichromis microlepidotus | native | ||
| Cypriniformes | Cyprinidae | Cyprinus carpio carpio | introduced | Common carp | |
| Perciformes | Cichlidae | Cyrtocara moorii | native | Hump-head | |
| Perciformes | Cichlidae | Dimidiochromis compressiceps | native | Malawi eyebiter | |
| Perciformes | Cichlidae | Dimidiochromis dimidiatus | native | Ncheni type haplochromis | |
| Perciformes | Cichlidae | Dimidiochromis kiwinge | native | ||
| Perciformes | Cichlidae | Dimidiochromis strigatus | native | Haplochromis sunset | |
| Siluriformes | Clariidae | Dinotopterus cunningtoni | native | Singa | |
| Perciformes | Cichlidae | Diplotaxodon aeneus | native | ||
| Perciformes | Cichlidae | Diplotaxodon apogon | native | ||
| Perciformes | Cichlidae | Diplotaxodon argenteus | native | ||
| Perciformes | Cichlidae | Diplotaxodon greenwoodi | native | ||
| Perciformes | Cichlidae | Diplotaxodon limnothrissa | native | ||
| Perciformes | Cichlidae | Diplotaxodon macrops | native | ||
| Characiformes | Citharinidae | Distichodus fasciolatus | native | Sharktail distichodus | |
| Characiformes | Citharinidae | Distichodus maculatus | native | Spotted citharinid | |
| Characiformes | Citharinidae | Distichodus petersii | native | Tungwi | |
| Characiformes | Citharinidae | Distichodus rufigiensis | native | ||
| Characiformes | Citharinidae | Distichodus sexfasciatus | native | Sixbar distichodus | |
| Perciformes | Cichlidae | Docimodus evelynae | native | ||
| Perciformes | Cichlidae | Docimodus johnstoni | native | ||
| Perciformes | Gobiidae | Drombus triangularis | native | ||
| Perciformes | Cichlidae | Ectodus descampsii | native | ||
| Perciformes | Eleotridae | Eleotris fusca | native | Dusky sleeper | |
| Perciformes | Eleotridae | Eleotris melanosoma | native | Broadhead sleeper | |
| Cypriniformes | Cyprinidae | Engraulicypris sardella | native | Lake sardine | Usipa |
| Perciformes | Cichlidae | Eretmodus cyanostictus | native | Tanganyika Clown | |
| Perciformes | Gobiidae | Favonigobius reichei | native | Indo-Pacific tropical sand goby | Tropical sand goby |
| Perciformes | Cichlidae | Fossorochromis rostratus | native | ||
| Cypriniformes | Cyprinidae | Garra dembeensis | native | Dembea stone lapper | |
| Perciformes | Cichlidae | Genyochromis mento | native | ||
| Perciformes | Cichlidae | Gephyrochromis moorii | native | ||
| Perciformes | Gerreidae | Gerres filamentosus | native | Whipfin silverbiddy | Chaa |
| Perciformes | Gobiidae | Glossogobius giuris | native | Tank goby | |
| Perciformes | Cichlidae | Gnathochromis permaxillaris | native | ||
| Perciformes | Cichlidae | Gnathochromis pfefferi | native | ||
| Osteoglossiformes | Mormyridae | Gnathonemus longibarbis | native | Longnose stonebasher | |
| Perciformes | Cichlidae | Grammatotria lemairii | native | ||
| Perciformes | Cichlidae | Greenwoodochromis bellcrossi | native | ||
| Perciformes | Cichlidae | Greenwoodochromis christyi | native | ||
| Perciformes | Cichlidae | Haplochromis acidens | native | ||
| Perciformes | Cichlidae | Haplochromis altigenis | native | ||
| Perciformes | Cichlidae | Haplochromis apogonoides | native | ||
| Perciformes | Cichlidae | Haplochromis arcanus | native | ||
| Perciformes | Cichlidae | Haplochromis argenteus | native | ||
| Perciformes | Cichlidae | Haplochromis azureus | native | ||
| Perciformes | Cichlidae | Haplochromis barbarae | native | ||
| Perciformes | Cichlidae | Haplochromis bareli | native | ||
| Perciformes | Cichlidae | Haplochromis bartoni | native | ||
| Perciformes | Cichlidae | Haplochromis bayoni | native | ||
| Perciformes | Cichlidae | Haplochromis bicolor | native | ||
| Perciformes | Cichlidae | Haplochromis boops | native | ||
| Perciformes | Cichlidae | Haplochromis brownae | native | ||
| Perciformes | Cichlidae | Haplochromis cassius | native | ||
| Perciformes | Cichlidae | Haplochromis cavifrons | native | ||
| Perciformes | Cichlidae | Haplochromis chilotes | native | ||
| Perciformes | Cichlidae | Haplochromis chlorochrous | native | ||
| Perciformes | Cichlidae | Haplochromis chromogynos | native | ||
| Perciformes | Cichlidae | Haplochromis chrysogynaion | native | ||
| Perciformes | Cichlidae | Haplochromis cinctus | native | ||
| Perciformes | Cichlidae | Haplochromis cinereus | native | ||
| Perciformes | Cichlidae | Haplochromis cnester | native | ||
| Perciformes | Cichlidae | Haplochromis crassilabris | native | ||
| Perciformes | Cichlidae | Haplochromis crocopeplus | native | ||
| Perciformes | Cichlidae | Haplochromis cronus | native | ||
| Perciformes | Cichlidae | Haplochromis cryptodon | native | ||
| Perciformes | Cichlidae | Haplochromis cryptogramma | native | ||
| Perciformes | Cichlidae | Haplochromis cyaneus | native | ||
| Perciformes | Cichlidae | Haplochromis decticostoma | native | ||
| Perciformes | Cichlidae | Haplochromis degeni | native | ||
| Perciformes | Cichlidae | Haplochromis dentex | native | ||
| Perciformes | Cichlidae | Haplochromis dichrourus | native | ||
| Perciformes | Cichlidae | Haplochromis diplotaenia | native | ||
| Perciformes | Cichlidae | Haplochromis dolichorhynchus | native | ||
| Perciformes | Cichlidae | Haplochromis empodisma | native | ||
| Perciformes | Cichlidae | Haplochromis erythrocephalus | native | ||
| Perciformes | Cichlidae | Haplochromis estor | native | ||
| Perciformes | Cichlidae | Haplochromis eutaenia | native | ||
| Perciformes | Cichlidae | Haplochromis flavipinnis | native | ||
| Perciformes | Cichlidae | Haplochromis flavus | native | ||
| Perciformes | Cichlidae | Haplochromis fuelleborni | native | Fuelleborn's mouthbrooder | Fufu |
| Perciformes | Cichlidae | Haplochromis fusiformis | native | ||
| Perciformes | Cichlidae | Haplochromis gigas | native | ||
| Perciformes | Cichlidae | Haplochromis gigliolii | native | ||
| Perciformes | Cichlidae | Haplochromis gilberti | native | ||
| Perciformes | Cichlidae | Haplochromis gowersii | native | ||
| Perciformes | Cichlidae | Haplochromis granti | native | ||
| Perciformes | Cichlidae | Haplochromis greenwoodi | native | ||
| Perciformes | Cichlidae | Haplochromis guiarti | native | ||
| Perciformes | Cichlidae | Haplochromis harpakteridion | native | ||
| Perciformes | Cichlidae | Haplochromis heusinkveldi | native | ||
| Perciformes | Cichlidae | Haplochromis hiatus | native | ||
| Perciformes | Cichlidae | Haplochromis howesi | native | ||
| Perciformes | Cichlidae | Haplochromis humilior | native | ||
| Perciformes | Cichlidae | Haplochromis igneopinnis | native | ||
| Perciformes | Cichlidae | Haplochromis iris | native | ||
| Perciformes | Cichlidae | Haplochromis ishmaeli | native | ||
| Perciformes | Cichlidae | Haplochromis katavi | native | Katavi mouthbrooder | Fufu |
| Perciformes | Cichlidae | Haplochromis kujunjui | native | ||
| Perciformes | Cichlidae | Haplochromis labriformis | native | ||
| Perciformes | Cichlidae | Haplochromis lacrimosus | native | ||
| Perciformes | Cichlidae | Haplochromis laparogramma | native | ||
| Perciformes | Cichlidae | Haplochromis lividus | native | ||
| Perciformes | Cichlidae | Haplochromis longirostris | native | ||
| Perciformes | Cichlidae | Haplochromis luteus | native | ||
| Perciformes | Cichlidae | Haplochromis macrocephalus | native | ||
| Perciformes | Cichlidae | Haplochromis macrognathus | native | ||
| Perciformes | Cichlidae | Haplochromis macrops | native | ||
| Perciformes | Cichlidae | Haplochromis maculipinna | native | ||
| Perciformes | Cichlidae | Haplochromis maisomei | native | ||
| Perciformes | Cichlidae | Haplochromis mandibularis | native | ||
| Perciformes | Cichlidae | Haplochromis martini | native | ||
| Perciformes | Cichlidae | Haplochromis maxillaris | native | ||
| Perciformes | Cichlidae | Haplochromis mbipi | native | ||
| Perciformes | Cichlidae | Haplochromis megalops | native | ||
| Perciformes | Cichlidae | Haplochromis melanopterus | native | ||
| Perciformes | Cichlidae | Haplochromis melanopus | native | ||
| Perciformes | Cichlidae | Haplochromis melichrous | native | ||
| Perciformes | Cichlidae | Haplochromis mento | native | ||
| Perciformes | Cichlidae | Haplochromis michaeli | native | ||
| Perciformes | Cichlidae | Haplochromis microdon | native | ||
| Perciformes | Cichlidae | Haplochromis mylergates | native | ||
| Perciformes | Cichlidae | Haplochromis nanoserranus | native | ||
| Perciformes | Cichlidae | Haplochromis nigrescens | native | ||
| Perciformes | Cichlidae | Haplochromis nigricans | native | ||
| Perciformes | Cichlidae | Haplochromis nubilus | native | Blue Victoria mouthbrooder | Fulu |
| Perciformes | Cichlidae | Haplochromis nuchisquamulatus | native | ||
| Perciformes | Cichlidae | Haplochromis nyanzae | native | ||
| Perciformes | Cichlidae | Haplochromis nyererei | native | ||
| Perciformes | Cichlidae | Haplochromis obesus | native | ||
| Perciformes | Cichlidae | Haplochromis obliquidens | native | ||
| Perciformes | Cichlidae | Haplochromis obtusidens | native | ||
| Perciformes | Cichlidae | Haplochromis omnicaeruleus | native | ||
| Perciformes | Cichlidae | Haplochromis pachycephalus | native | ||
| Perciformes | Cichlidae | Haplochromis pallidus | native | ||
| Perciformes | Cichlidae | Haplochromis paludinosus | native | ||
| Perciformes | Cichlidae | Haplochromis paraguiarti | native | ||
| Perciformes | Cichlidae | Haplochromis paraplagiostoma | native | ||
| Perciformes | Cichlidae | Haplochromis paropius | native | ||
| Perciformes | Cichlidae | Haplochromis parorthostoma | native | ||
| Perciformes | Cichlidae | Haplochromis parvidens | native | ||
| Perciformes | Cichlidae | Haplochromis pellegrini | native | ||
| Perciformes | Cichlidae | Haplochromis percoides | native | ||
| Perciformes | Cichlidae | Haplochromis perrieri | native | ||
| Perciformes | Cichlidae | Haplochromis pharyngomylus | native | ||
| Perciformes | Cichlidae | Haplochromis phytophagus | native | ||
| Perciformes | Cichlidae | Haplochromis piceatus | native | ||
| Perciformes | Cichlidae | Haplochromis pitmani | native | ||
| Perciformes | Cichlidae | Haplochromis plagiodon | native | ||
| Perciformes | Cichlidae | Haplochromis plagiostoma | native | ||
| Perciformes | Cichlidae | Haplochromis plutonius | native | ||
| Perciformes | Cichlidae | Haplochromis prodromus | native | ||
| Perciformes | Cichlidae | Haplochromis prognathus | native | ||
| Perciformes | Cichlidae | Haplochromis pseudopellegrini | native | ||
| Perciformes | Cichlidae | Haplochromis ptistes | native | ||
| Perciformes | Cichlidae | Haplochromis pundamilia | native | ||
| Perciformes | Cichlidae | Haplochromis pyrrhocephalus | native | ||
| Perciformes | Cichlidae | Haplochromis pyrrhopteryx | native | ||
| Perciformes | Cichlidae | Haplochromis retrodens | native | ||
| Perciformes | Cichlidae | Haplochromis riponianus | native | ||
| Perciformes | Cichlidae | Haplochromis rubripinnis | native | ||
| Perciformes | Cichlidae | Haplochromis rufocaudalis | native | ||
| Perciformes | Cichlidae | Haplochromis rufus | endemic | ||
| Perciformes | Cichlidae | Haplochromis sauvagei | native | ||
| Perciformes | Cichlidae | Haplochromis saxicola | native | ||
| Perciformes | Cichlidae | Haplochromis serranus | native | ||
| Perciformes | Cichlidae | Haplochromis spekii | native | ||
| Perciformes | Cichlidae | Haplochromis squamulatus | native | ||
| Perciformes | Cichlidae | Haplochromis sulphureus | native | ||
| Perciformes | Cichlidae | Haplochromis tanaos | native | ||
| Perciformes | Cichlidae | Haplochromis teegelaari | native | ||
| Perciformes | Cichlidae | Haplochromis teunisrasi | native | ||
| Perciformes | Cichlidae | Haplochromis theliodon | native | ||
| Perciformes | Cichlidae | Haplochromis thereuterion | native | ||
| Perciformes | Cichlidae | Haplochromis thuragnathus | native | ||
| Perciformes | Cichlidae | Haplochromis tridens | native | ||
| Perciformes | Cichlidae | Haplochromis tyrianthinus | native | ||
| Perciformes | Cichlidae | Haplochromis ushindi | endemic | ||
| Perciformes | Cichlidae | Haplochromis victoriae | native | ||
| Perciformes | Cichlidae | Haplochromis victorianus | native | ||
| Perciformes | Cichlidae | Haplochromis vonlinnei | native | ||
| Perciformes | Cichlidae | Haplochromis welcommei | native | ||
| Perciformes | Cichlidae | Haplochromis xanthopteryx | native | ||
| Perciformes | Cichlidae | Haplochromis xenognathus | native | ||
| Perciformes | Cichlidae | Haplochromis xenostoma | native | ||
| Perciformes | Cichlidae | Haplotaxodon microlepis | native | ||
| Perciformes | Cichlidae | Hemibates stenosoma | native | Limbata | |
| Characiformes | Alestidae | Hemigrammopetersius barnardi | native | Barnard's robber | |
| Perciformes | Cichlidae | Hemitaeniochromis urotaenia | native | ||
| Perciformes | Cichlidae | Hemitilapia oxyrhyncha | native | Giant Haplochromis | |
| Siluriformes | Clariidae | Heterobranchus longifilis | native | Vundu | Vundu |
| Syngnathiformes | Syngnathidae | Hippichthys cyanospilos | native | Blue-spotted pipefish | |
| Osteoglossiformes | Mormyridae | Hippopotamyrus discorhynchus | native | Zambezi parrotfish | Ntaka |
| Osteoglossiformes | Mormyridae | Hippopotamyrus grahami | native | Graham's stonebasher | |
| Characiformes | Alestidae | Hydrocynus goliath | native | Giant tigerfish | |
| Characiformes | Alestidae | Hydrocynus tanzaniae | native | ||
| Characiformes | Alestidae | Hydrocynus vittatus | native | Tiger fish | Kachinga |
| Perciformes | Cichlidae | Interochromis loocki | native | ||
| Perciformes | Cichlidae | Julidochromis ornatus | native | Golden julie | |
| Perciformes | Cichlidae | Julidochromis regani | native | Convict julie | |
| Gonorynchiformes | Kneriidae | Kneria ruaha | native | ||
| Gonorynchiformes | Kneriidae | Kneria rukwaensis | native | ||
| Gonorynchiformes | Kneriidae | Kneria uluguru | native | ||
| Gonorynchiformes | Kneriidae | Kneria wittei | native | ||
| Perciformes | Kuhliidae | Kuhlia mugil | native | Barred flagtail | |
| Perciformes | Kuhliidae | Kuhlia rupestris | native | Rock flagtail | |
| Cypriniformes | Cyprinidae | Labeo altivelis | native | Rednose labeo | |
| Cypriniformes | Cyprinidae | Labeo congoro | native | Purple labeo | |
| Cypriniformes | Cyprinidae | Labeo coubie | native | African carp | |
| Cypriniformes | Cyprinidae | Labeo cylindricus | native | Redeye labeo | Chirichiri |
| Cypriniformes | Cyprinidae | Labeo degeni | native | Kibimbi | |
| Cypriniformes | Cyprinidae | Labeo fuelleborni | native | Fuelleborn's labeo | Chirichiri |
| Cypriniformes | Cyprinidae | Labeo gregorii | native | Gregori's labeo | |
| Cypriniformes | Cyprinidae | Labeo kirkii | native | ||
| Cypriniformes | Cyprinidae | Labeo lineatus | native | Kibimbi | |
| Cypriniformes | Cyprinidae | Labeo longipinnis | native | Kibimbi | |
| Cypriniformes | Cyprinidae | Labeo mesops | native | Tana labeo | Mkukuwawa |
| Cypriniformes | Cyprinidae | Labeo simpsoni | native | ||
| Cypriniformes | Cyprinidae | Labeo victorianus | native | Ningu | Ningu |
| Cypriniformes | Cyprinidae | Labeo weeksii | native | Sicklefin labeo | |
| Cypriniformes | Cyprinidae | Labeo worthingtoni | native | ||
| Cypriniformes | Cyprinidae | Labeobarbus johnstonii | native | Ngumbo | |
| Cypriniformes | Cyprinidae | Labeobarbus litamba | native | Tamba | |
| Perciformes | Cichlidae | Labeotropheus fuelleborni | native | Blue mbuna | Kili |
| Cyprinodontiformes | Poeciliidae | Lacustricola pumilus | native | Tanganyika lampeye | |
| Cyprinodontiformes | Poeciliidae | Lamprichthys tanganicanus | native | Tanganyika killifish | Msiha |
| Perciformes | Cichlidae | Lamprologus callipterus | native | ||
| Perciformes | Cichlidae | Lamprologus lemairii | native | ||
| Perciformes | Cichlidae | Lamprologus ocellatus | native | ||
| Perciformes | Cichlidae | Lamprologus ornatipinnis | native | ||
| Perciformes | Cichlidae | Lamprologus signatus | native | ||
| Perciformes | Latidae | Lates angustifrons | native | Tanganyika lates | Sangara |
| Perciformes | Latidae | Lates mariae | native | Bigeye lates | Sangara |
| Perciformes | Latidae | Lates microlepis | native | Forktail lates | Sangara |
| Perciformes | Latidae | Lates niloticus | introduced | Nile perch | Sangara |
| Perciformes | Latidae | Lates stappersii | native | Sleek lates | Nchebuka |
| Perciformes | Cichlidae | Lepidiolamprologus attenuatus | native | ||
| Perciformes | Cichlidae | Lepidiolamprologus cunningtoni | native | ||
| Perciformes | Cichlidae | Lepidiolamprologus elongatus | native | ||
| Perciformes | Cichlidae | Lepidiolamprologus kendalli | native | ||
| Perciformes | Cichlidae | Lepidiolamprologus nkambae | native | ||
| Perciformes | Cichlidae | Lepidiolamprologus profundicola | native | ||
| Perciformes | Cichlidae | Lestradea perspicax | native | ||
| Perciformes | Cichlidae | Lestradea stappersii | native | ||
| Perciformes | Cichlidae | Lethrinops albus | native | ||
| Perciformes | Cichlidae | Lethrinops altus | native | ||
| Perciformes | Cichlidae | Lethrinops argenteus | native | ||
| Perciformes | Cichlidae | Lethrinops furcifer | native | Greenface sandsifter | |
| Perciformes | Cichlidae | Lethrinops lethrinus | native | ||
| Perciformes | Cichlidae | Lethrinops longimanus | native | ||
| Perciformes | Cichlidae | Lethrinops lunaris | native | ||
| Perciformes | Cichlidae | Lethrinops macracanthus | native | ||
| Perciformes | Cichlidae | Lethrinops micrentodon | native | ||
| Perciformes | Cichlidae | Limnochromis abeelei | native | ||
| Perciformes | Cichlidae | Limnochromis auritus | native | Spangled cichlid | |
| Perciformes | Cichlidae | Limnochromis staneri | native | ||
| Clupeiformes | Clupeidae | Limnothrissa miodon | native | Lake Tanganyika sardine | Lumbu |
| Perciformes | Cichlidae | Limnotilapia dardennii | native | ||
| Mugiliformes | Mugilidae | Liza macrolepis | native | Largescale mullet | Mkizi |
| Mugiliformes | Mugilidae | Liza melinoptera | native | Otomebora mullet | Mkizi |
| Mugiliformes | Mugilidae | Liza vaigiensis | native | Squaretail mullet | Mkizi |
| Perciformes | Cichlidae | Lobochilotes labiatus | native | ||
| Siluriformes | Claroteidae | Lophiobagrus aquilus | native | ||
| Siluriformes | Claroteidae | Lophiobagrus asperispinis | native | ||
| Siluriformes | Claroteidae | Lophiobagrus brevispinis | native | ||
| Siluriformes | Claroteidae | Lophiobagrus cyclurus | native | African bullhead | |
| Siluriformes | Malapteruridae | Malapterurus polli | native | ||
| Siluriformes | Malapteruridae | Malapterurus tanganyikaensis | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius livingstonii | native | Somo | |
| Osteoglossiformes | Mormyridae | Marcusenius macrolepidotus macrolepidotus | native | Bulldog | Ndaka |
| Osteoglossiformes | Mormyridae | Marcusenius nyasensis | native | Mputa | |
| Osteoglossiformes | Mormyridae | Marcusenius rheni | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius stanleyanus | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius victoriae | native | Victoria stonebasher | |
| Synbranchiformes | Mastacembelidae | Mastacembelus albomaculatus | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus cunningtoni | native | Gamba nioka | |
| Synbranchiformes | Mastacembelidae | Mastacembelus ellipsifer | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus flavidus | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus frenatus | native | Longtail spiny eel | East african spiny eel |
| Synbranchiformes | Mastacembelidae | Mastacembelus micropectus | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus moorii | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus ophidium | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus plagiostomus | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus platysoma | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus polli | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus shiranus | native | Malawi spinyeel | |
| Synbranchiformes | Mastacembelidae | Mastacembelus tanganicae | native | ||
| Synbranchiformes | Mastacembelidae | Mastacembelus zebratus | native | ||
| Perciformes | Cichlidae | Mchenga eucinostomus | native | ||
| Elopiformes | Megalopidae | Megalops cyprinoides | native | Indo-Pacific tarpon | Cheche |
| Perciformes | Cichlidae | Melanochromis melanopterus | native | ||
| Cypriniformes | Cyprinidae | Mesobola spinifer | native | Malagarasi sardine | Malagarasi sardine |
| Characiformes | Alestidae | Micralestes acutidens | native | Sharptooth tetra | |
| Characiformes | Alestidae | Micralestes stormsi | native | ||
| Characiformes | Alestidae | Micralestes vittatus | native | ||
| Cyprinodontiformes | Poeciliidae | Micropanchax johnstoni | native | Johnston's topminnow | |
| Cyprinodontiformes | Poeciliidae | Micropanchax loati | native | Nile killifish | |
| Syngnathiformes | Syngnathidae | Microphis brachyurus brachyurus | native | Short-tailed pipefish | |
| Syngnathiformes | Syngnathidae | Microphis brachyurus millepunctatus | native | Shorttail pipefish | |
| Syngnathiformes | Syngnathidae | Microphis fluviatilis | native | Freshwater pipefish | |
| Perciformes | Centrarchidae | Micropterus dolomieu | introduced | Smallmouth bass | |
| Perciformes | Centrarchidae | Micropterus salmoides | introduced | Largemouth bass | |
| Perciformes | Monodactylidae | Monodactylus falciformis | native | Full moony | Pakawe |
| Osteoglossiformes | Mormyridae | Mormyrops anguilloides | native | Cornish jack | Linjolo |
| Osteoglossiformes | Mormyridae | Mormyrus hasselquistii | native | Elephant snout | |
| Osteoglossiformes | Mormyridae | Mormyrus kannume | native | Elephant-snout fish | Domodomo |
| Osteoglossiformes | Mormyridae | Mormyrus longirostris | native | Eastern bottlenose mormyrid | Tapondi |
| Mugiliformes | Mugilidae | Mugil cephalus | native | Flathead mullet | Mkizi |
| Perciformes | Cichlidae | Mylochromis epichorialis | native | ||
| Perciformes | Cichlidae | Mylochromis ericotaenia | native | ||
| Perciformes | Cichlidae | Mylochromis formosus | native | ||
| Perciformes | Cichlidae | Mylochromis guentheri | native | ||
| Perciformes | Cichlidae | Mylochromis incola | native | Golden mola hap | |
| Perciformes | Cichlidae | Mylochromis labidodon | native | ||
| Perciformes | Cichlidae | Mylochromis lateristriga | native | Basket hap | |
| Perciformes | Cichlidae | Mylochromis melanonotus | native | Haplochromis yellow black line | |
| Perciformes | Cichlidae | Mylochromis mola | native | ||
| Perciformes | Cichlidae | Mylochromis plagiotaenia | native | ||
| Perciformes | Cichlidae | Naevochromis chrysogaster | native | ||
| Cypriniformes | Cyprinidae | Neobola fluviatilis | native | Athi sardine | |
| Perciformes | Cichlidae | Neolamprologus boulengeri | native | ||
| Perciformes | Cichlidae | Neolamprologus brevis | native | ||
| Perciformes | Cichlidae | Neolamprologus brichardi | native | ||
| Perciformes | Cichlidae | Neolamprologus buescheri | native | ||
| Perciformes | Cichlidae | Neolamprologus chitamwebwai | endemic | ||
| Perciformes | Cichlidae | Neolamprologus christyi | native | ||
| Perciformes | Cichlidae | Neolamprologus cylindricus | endemic | ||
| Perciformes | Cichlidae | Neolamprologus devosi | native | ||
| Perciformes | Cichlidae | Neolamprologus fasciatus | native | ||
| Perciformes | Cichlidae | Neolamprologus furcifer | native | ||
| Perciformes | Cichlidae | Neolamprologus hecqui | native | ||
| Perciformes | Cichlidae | Neolamprologus leleupi | native | ||
| Perciformes | Cichlidae | Neolamprologus leloupi | native | ||
| Perciformes | Cichlidae | Neolamprologus longior | endemic | ||
| Perciformes | Cichlidae | Neolamprologus modestus | native | ||
| Perciformes | Cichlidae | Neolamprologus mondabu | native | ||
| Perciformes | Cichlidae | Neolamprologus multifasciatus | native | ||
| Perciformes | Cichlidae | Neolamprologus mustax | native | ||
| Perciformes | Cichlidae | Neolamprologus niger | native | ||
| Perciformes | Cichlidae | Neolamprologus obscurus | native | ||
| Perciformes | Cichlidae | Neolamprologus pleuromaculatus | native | ||
| Perciformes | Cichlidae | Neolamprologus prochilus | native | ||
| Perciformes | Cichlidae | Neolamprologus pulcher | native | ||
| Perciformes | Cichlidae | Neolamprologus savoryi | native | ||
| Perciformes | Cichlidae | Neolamprologus sexfasciatus | native | ||
| Perciformes | Cichlidae | Neolamprologus tetracanthus | native | Fourspine cichlid | |
| Perciformes | Cichlidae | Neolamprologus toae | native | ||
| Perciformes | Cichlidae | Neolamprologus tretocephalus | native | ||
| Perciformes | Cichlidae | Neolamprologus walteri | endemic | ||
| Perciformes | Cichlidae | Neolamprologus wauthioni | native | ||
| Perciformes | Cichlidae | Nimbochromis linni | native | ||
| Perciformes | Cichlidae | Nimbochromis livingstonii | native | ||
| Perciformes | Cichlidae | Nimbochromis polystigma | native | ||
| Perciformes | Cichlidae | Nimbochromis venustus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius albimarginatus | endemic | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius annectens | endemic | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius cardinalis | endemic | Cardinal Nothobranchius | Cardinal Nothobranchius |
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius eggersi | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius flammicomantis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius foerschi | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius fuscotaeniatus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius geminus | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius guentheri | endemic | Redtail notho | |
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius janpapi | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius kilomberoensis | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius korthausae | endemic | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius lourensi | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius luekei | endemic | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius melanospilus | native | Blackspotted nothobranch | |
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius neumanni | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius ocellatus | endemic | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius palmqvisti | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius robustus | native | Red Victoria nothobranch | |
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius rubripinnis | endemic | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius steinforti | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius taeniopygus | native | Striped nothobranch | Striped nothobranch |
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius vosseleri | endemic | Pangani nothobranch | Pangani nothobranch |
| Perciformes | Cichlidae | Nyassachromis leuciscus | native | Small green utaka | |
| Perciformes | Cichlidae | Nyassachromis prostoma | native | ||
| Perciformes | Cichlidae | Nyassachromis purpurans | native | ||
| Perciformes | Cichlidae | Nyassachromis serenus | native | ||
| Salmoniformes | Salmonidae | Oncorhynchus mykiss | introduced | Rainbow trout | Rainbow trout |
| Perciformes | Cichlidae | Ophthalmotilapia boops | native | ||
| Perciformes | Cichlidae | Ophthalmotilapia heterodonta | native | ||
| Perciformes | Cichlidae | Ophthalmotilapia nasuta | native | ||
| Perciformes | Cichlidae | Ophthalmotilapia ventralis | native | ||
| Cypriniformes | Cyprinidae | Opsaridium loveridgii | native | ||
| Cypriniformes | Cyprinidae | Opsaridium microcephalum | native | Sanjika | |
| Cypriniformes | Cyprinidae | Opsaridium microlepis | native | Lake salmon | Mbasa |
| Cypriniformes | Cyprinidae | Opsaridium zambezense | native | Barred minnow | |
| Perciformes | Cichlidae | Oreochromis amphimelas | native | ||
| Perciformes | Cichlidae | Oreochromis andersonii | introduced | Three spotted tilapia | |
| Perciformes | Cichlidae | Oreochromis chungruruensis | native | ||
| Perciformes | Cichlidae | Oreochromis esculentus | native | Singida tilapia | Perege |
| Perciformes | Cichlidae | Oreochromis hunteri | native | Lake Chala tilapia | |
| Perciformes | Cichlidae | Oreochromis jipe | native | Jipe tilapia | Perege |
| Perciformes | Cichlidae | Oreochromis karomo | native | Karomo | Karomo |
| Perciformes | Cichlidae | Oreochromis karongae | native | Manindi | |
| Perciformes | Cichlidae | Oreochromis korogwe | native | Korogwe tilapia | Perege |
| Perciformes | Cichlidae | Oreochromis leucostictus | introduced | Perege | |
| Perciformes | Cichlidae | Oreochromis lidole | native | Dole | |
| Perciformes | Cichlidae | Oreochromis macrochir | introduced | Longfin tilapia | |
| Perciformes | Cichlidae | Oreochromis malagarasi | native | ||
| Perciformes | Cichlidae | Oreochromis mossambicus | introduced | Mozambique tilapia | |
| Perciformes | Cichlidae | Oreochromis niloticus eduardianus | introduced | Tilapia | |
| Perciformes | Cichlidae | Oreochromis niloticus niloticus | introduced | Nile tilapia | Perege |
| Perciformes | Cichlidae | Oreochromis pangani pangani | native | Perege | |
| Perciformes | Cichlidae | Oreochromis placidus ruvumae | native | ||
| Perciformes | Cichlidae | Oreochromis rukwaensis | native | Lake Rukwa tilapia | Perege |
| Perciformes | Cichlidae | Oreochromis saka | native | Chambo | |
| Perciformes | Cichlidae | Oreochromis shiranus shiranus | native | Makumbwa | |
| Perciformes | Cichlidae | Oreochromis spilurus spilurus | native | Sabaki tilapia | |
| Perciformes | Cichlidae | Oreochromis squamipinnis | native | Chambo | |
| Perciformes | Cichlidae | Oreochromis tanganicae | native | Ngege | |
| Perciformes | Cichlidae | Oreochromis upembae | native | ||
| Perciformes | Cichlidae | Oreochromis urolepis hornorum | native | Wami tilapia | |
| Perciformes | Cichlidae | Oreochromis urolepis urolepis | native | Rufigi tilapia | |
| Perciformes | Cichlidae | Oreochromis variabilis | native | Victoria tilapia | Ngege |
| Perciformes | Cichlidae | Orthochromis kasuluensis | native | ||
| Perciformes | Cichlidae | Orthochromis luichensis | native | ||
| Perciformes | Cichlidae | Orthochromis malagaraziensis | native | ||
| Perciformes | Cichlidae | Orthochromis rubrolabialis | native | ||
| Perciformes | Cichlidae | Orthochromis rugufuensis | native | ||
| Perciformes | Cichlidae | Orthochromis uvinzae | native | ||
| Perciformes | Cichlidae | Otopharynx argyrosoma | native | ||
| Perciformes | Cichlidae | Otopharynx auromarginatus | native | Golden-margined hap | |
| Perciformes | Cichlidae | Otopharynx decorus | native | ||
| Perciformes | Cichlidae | Otopharynx selenurus | native | ||
| Perciformes | Cichlidae | Otopharynx speciosus | native | ||
| Perciformes | Cichlidae | Otopharynx tetrastigma | native | ||
| Cyprinodontiformes | Aplocheilidae | Pachypanchax playfairii | introduced | Golden panchax | |
| Perciformes | Cichlidae | Pallidochromis tokolosh | native | ||
| Cyprinodontiformes | Poeciliidae | Pantanodon stuhlmanni | native | Eastcoast lampeye | |
| Perciformes | Cichlidae | Paracyprichromis brieni | native | ||
| Perciformes | Cichlidae | Paracyprichromis nigripinnis | native | ||
| Gonorynchiformes | Kneriidae | Parakneria spekii | native | ||
| Gonorynchiformes | Kneriidae | Parakneria tanzaniae | native | ||
| Siluriformes | Schilbeidae | Pareutropius longifilis | native | ||
| Clupeiformes | Pristigasteridae | Pellona ditchela | native | Indian pellona | Dagaa |
| Perciformes | Cichlidae | Perissodus microlepis | native | ||
| Characiformes | Alestidae | Petersius conserialis | native | Kasa | |
| Osteoglossiformes | Mormyridae | Petrocephalus catostoma catostoma | native | Churchill | Kizurizuri |
| Perciformes | Cichlidae | Petrochromis famula | native | ||
| Perciformes | Cichlidae | Petrochromis fasciolatus | native | ||
| Perciformes | Cichlidae | Petrochromis macrognathus | native | ||
| Perciformes | Cichlidae | Petrochromis orthognathus | native | ||
| Perciformes | Cichlidae | Petrochromis polyodon | native | ||
| Perciformes | Cichlidae | Petrochromis trewavasae ephippium | native | ||
| Perciformes | Cichlidae | Petrotilapia tridentiger | native | ||
| Siluriformes | Claroteidae | Phyllonemus filinemus | native | ||
| Siluriformes | Claroteidae | Phyllonemus typus | native | Spatula-barbeled catfish | |
| Anguilliformes | Ophichthidae | Pisodonophis boro | native | Rice-paddy eel | |
| Perciformes | Cichlidae | Placidochromis acutirostris | endemic | ||
| Perciformes | Cichlidae | Placidochromis argyrogaster | native | ||
| Perciformes | Cichlidae | Placidochromis borealis | endemic | ||
| Perciformes | Cichlidae | Placidochromis communis | native | ||
| Perciformes | Cichlidae | Placidochromis ecclesi | native | ||
| Perciformes | Cichlidae | Placidochromis lineatus | endemic | ||
| Perciformes | Cichlidae | Placidochromis longus | native | ||
| Perciformes | Cichlidae | Placidochromis lukomae | native | ||
| Perciformes | Cichlidae | Placidochromis macroceps | endemic | ||
| Perciformes | Cichlidae | Placidochromis macrognathus | native | ||
| Perciformes | Cichlidae | Placidochromis ordinarius | native | ||
| Perciformes | Cichlidae | Placidochromis platyrhynchos | native | ||
| Perciformes | Cichlidae | Placidochromis subocularis | native | ||
| Perciformes | Cichlidae | Placidochromis turneri | native | ||
| Perciformes | Cichlidae | Plecodus elaviae | native | ||
| Perciformes | Cichlidae | Plecodus multidentatus | native | ||
| Perciformes | Cichlidae | Plecodus paradoxus | native | ||
| Perciformes | Cichlidae | Plecodus straeleni | native | ||
| Perciformes | Haemulidae | Plectorhinchus playfairi | native | Whitebarred rubberlip | |
| Siluriformes | Ariidae | Plicofollis dussumieri | native | Blacktip sea catfish | Fumi |
| Osteoglossiformes | Mormyridae | Pollimyrus castelnaui | native | Dwarf stonebasher | |
| Osteoglossiformes | Mormyridae | Pollimyrus nigricans | native | Dark stonebasher | |
| Polypteriformes | Polypteridae | Polypterus endlicheri congicus | native | ||
| Polypteriformes | Polypteridae | Polypterus ornatipinnis | native | Ornate bichir | Samaki magamba |
| Polypteriformes | Polypteridae | Polypterus senegalus senegalus | native | Gray bichir | |
| Pristiformes | Pristidae | Pristis microdon | native | Largetooth sawfish | Papa upanga |
| Perciformes | Cichlidae | Protomelas annectens | native | ||
| Perciformes | Cichlidae | Protomelas fenestratus | native | Fenestratus | |
| Perciformes | Cichlidae | Protomelas marginatus vuae | native | ||
| Perciformes | Cichlidae | Protomelas similis | native | ||
| Perciformes | Cichlidae | Protomelas spilonotus | native | ||
| Perciformes | Cichlidae | Protomelas spilopterus | native | ||
| Perciformes | Cichlidae | Protomelas taeniolatus | native | Spindle hap | |
| Lepidosireniformes | Protopteridae | Protopterus aethiopicus aethiopicus | native | Marbled lungfish | Kamongo |
| Lepidosireniformes | Protopteridae | Protopterus amphibius | questionable | Gilled lungfish | Kamongo |
| Lepidosireniformes | Protopteridae | Protopterus annectens brieni | native | Southern lungfish | Kambale mamba |
| Perciformes | Cichlidae | Pseudocrenilabrus multicolor multicolor | native | Egyptian mouth-brooder | |
| Perciformes | Cichlidae | Pseudocrenilabrus multicolor victoriae | native | Dwarf Victoria mouthbrooder | |
| Perciformes | Cichlidae | Pseudocrenilabrus philander philander | native | Southern mouthbrooder | Southern mouthbrooder |
| Perciformes | Cichlidae | Pseudosimochromis curvifrons | native | ||
| Perciformes | Cichlidae | Pseudotropheus demasoni | native | ||
| Perciformes | Cichlidae | Pseudotropheus elongatus | native | Elongate mbuna | |
| Perciformes | Cichlidae | Pseudotropheus fainzilberi | native | ||
| Perciformes | Cichlidae | Pseudotropheus longior | native | ||
| Perciformes | Cichlidae | Pseudotropheus macrophthalmus | native | ||
| Perciformes | Cichlidae | Pseudotropheus tropheops gracilior | native | ||
| Cypriniformes | Cyprinidae | Raiamas moorii | native | Lake Rukwa minnow | Mbelele |
| Cypriniformes | Cyprinidae | Raiamas salmolucius | native | ||
| Cypriniformes | Cyprinidae | Rastrineobola argentea | native | Silver cyprinid | Dagaa |
| Perciformes | Cichlidae | Reganochromis calliurus | native | ||
| Characiformes | Alestidae | Rhabdalestes leleupi | native | Dagaa | |
| Characiformes | Alestidae | Rhabdalestes tangensis | native | Pangani robber | Dagaa |
| Perciformes | Cichlidae | Rhamphochromis brevis | native | ||
| Perciformes | Cichlidae | Rhamphochromis esox | native | ||
| Perciformes | Cichlidae | Rhamphochromis ferox | native | ||
| Perciformes | Cichlidae | Rhamphochromis leptosoma | native | ||
| Perciformes | Cichlidae | Rhamphochromis longiceps | native | Tigerfish | |
| Perciformes | Cichlidae | Rhamphochromis lucius | native | ||
| Perciformes | Cichlidae | Rhamphochromis macrophthalmus | native | ||
| Perciformes | Cichlidae | Rhamphochromis woodi | native | ||
| Salmoniformes | Salmonidae | Salmo trutta trutta | introduced | Sea trout | |
| Perciformes | Scatophagidae | Scatophagus tetracanthus | native | Scatty | |
| Siluriformes | Schilbeidae | Schilbe intermedius | native | Silver catfish | Saruni |
| Siluriformes | Schilbeidae | Schilbe moebiusii | native | ||
| Siluriformes | Schilbeidae | Schilbe mystus | native | African butter catfish | Mtanda |
| Perciformes | Cichlidae | Sciaenochromis ahli | native | Electric blue hap | |
| Perciformes | Cichlidae | Sciaenochromis fryeri | native | ||
| Perciformes | Cichlidae | Serranochromis janus | native | ||
| Perciformes | Cichlidae | Serranochromis robustus robustus | native | Yellow-belly bream | Sungwa |
| Perciformes | Sillaginidae | Sillago sihama | native | Silver sillago | Mtambaanchi |
| Perciformes | Cichlidae | Simochromis babaulti | native | ||
| Perciformes | Cichlidae | Simochromis diagramma | native | ||
| Perciformes | Cichlidae | Spathodus erythrodon | native | ||
| Perciformes | Cichlidae | Spathodus marlieri | native | ||
| Perciformes | Gobiidae | Stenogobius gymnopomus | native | ||
| Perciformes | Gobiidae | Stenogobius kenyae | native | Africa rivergoby | Africa rivergoby |
| Perciformes | Cichlidae | Stigmatochromis modestus | native | ||
| Perciformes | Cichlidae | Stigmatochromis pleurospilus | native | ||
| Perciformes | Cichlidae | Stigmatochromis woodi | native | ||
| Clupeiformes | Clupeidae | Stolothrissa tanganicae | native | Lake Tanganyika sprat | Dagaa |
| Siluriformes | Mochokidae | Synodontis afrofischeri | native | Fischer's Victoria squeaker | Kolokolo |
| Siluriformes | Mochokidae | Synodontis dhonti | native | ||
| Siluriformes | Mochokidae | Synodontis fuelleborni | native | Fuelleborn's squeaker | Kolokolo |
| Siluriformes | Mochokidae | Synodontis grandiops | native | ||
| Siluriformes | Mochokidae | Synodontis granulosa | native | Kayegyege | |
| Siluriformes | Mochokidae | Synodontis leoparda | native | ||
| Siluriformes | Mochokidae | Synodontis matthesi | native | ||
| Siluriformes | Mochokidae | Synodontis multipunctata | native | Kajikijiki | |
| Siluriformes | Mochokidae | Synodontis nigromaculata | native | Blackspotted squeaker | |
| Siluriformes | Mochokidae | Synodontis njassae | native | Malawi squeaker | Kolokolo |
| Siluriformes | Mochokidae | Synodontis orientalis | native | ||
| Siluriformes | Mochokidae | Synodontis petricola | native | Cuckoo Catfish | |
| Siluriformes | Mochokidae | Synodontis polli | native | ||
| Siluriformes | Mochokidae | Synodontis punctulata | native | ||
| Siluriformes | Mochokidae | Synodontis ricardoae | native | Ricardo's squeaker | Kolokolo |
| Siluriformes | Mochokidae | Synodontis ruandae | native | ||
| Siluriformes | Mochokidae | Synodontis rufigiensis | native | Nyanyandu | |
| Siluriformes | Mochokidae | Synodontis rukwaensis | native | Lake Rukwa squeaker | Ngonje |
| Siluriformes | Mochokidae | Synodontis tanganyicae | native | ||
| Siluriformes | Mochokidae | Synodontis victoriae | native | Lake Victoria squeaker | Gogogo |
| Siluriformes | Mochokidae | Synodontis zambezensis | native | Plain squeaker | Ngonte |
| Siluriformes | Mochokidae | Synodontis zanzibarica | native | Eastcoast squeaker | |
| Perciformes | Cichlidae | Taeniochromis holotaenia | native | ||
| Perciformes | Cichlidae | Taeniolethrinops cyrtonotus | native | ||
| Perciformes | Cichlidae | Taeniolethrinops furcicauda | native | ||
| Perciformes | Cichlidae | Taeniolethrinops laticeps | native | ||
| Perciformes | Cichlidae | Taeniolethrinops praeorbitalis | native | ||
| Perciformes | Cichlidae | Tangachromis dhanisi | native | ||
| Perciformes | Cichlidae | Tanganicodus irsacae | native | Spotfin goby cichlid | |
| Siluriformes | Clariidae | Tanganikallabes mortiauxi | native | Kibabila | |
| Perciformes | Cichlidae | Telmatochromis bifrenatus | native | ||
| Perciformes | Cichlidae | Telmatochromis brachygnathus | native | ||
| Perciformes | Cichlidae | Telmatochromis burgeoni | native | ||
| Perciformes | Cichlidae | Telmatochromis dhonti | native | ||
| Perciformes | Cichlidae | Telmatochromis temporalis | native | ||
| Perciformes | Cichlidae | Telmatochromis vittatus | native | ||
| Perciformes | Terapontidae | Terapon jarbua | native | Jarbua terapon | Kui |
| Tetraodontiformes | Tetraodontidae | Tetraodon mbu | native | Fresh water puffer fish | Fresh water puffer fish |
| Perciformes | Cichlidae | Tilapia rendalli | native | Redbreast tilapia | Ngege |
| Perciformes | Cichlidae | Tilapia sparrmanii | native | Banded tilapia | Banded bream |
| Perciformes | Cichlidae | Tilapia zillii | introduced | Redbelly tilapia | Ngege |
| Perciformes | Carangidae | Trachinotus blochii | native | Snubnose pompano | |
| Perciformes | Cichlidae | Tramitichromis lituris | native | ||
| Perciformes | Cichlidae | Trematocara caparti | native | ||
| Perciformes | Cichlidae | Trematocara kufferathi | native | ||
| Perciformes | Cichlidae | Trematocara macrostoma | native | ||
| Perciformes | Cichlidae | Trematocara marginatum | native | ||
| Perciformes | Cichlidae | Trematocara nigrifrons | native | ||
| Perciformes | Cichlidae | Trematocara stigmaticum | native | ||
| Perciformes | Cichlidae | Trematocara unimaculatum | native | ||
| Perciformes | Cichlidae | Trematocara variabile | native | ||
| Perciformes | Cichlidae | Trematocara zebra | native | ||
| Perciformes | Cichlidae | Trematocranus labifer | native | ||
| Perciformes | Cichlidae | Trematocranus microstoma | native | Haplochromis placodon pointed head | |
| Perciformes | Cichlidae | Trematocranus placodon | native | ||
| Perciformes | Cichlidae | Triglachromis otostigma | native | ||
| Perciformes | Cichlidae | Tropheus brichardi | native | ||
| Perciformes | Cichlidae | Tropheus duboisi | native | ||
| Perciformes | Cichlidae | Tropheus kasabae | native | ||
| Perciformes | Cichlidae | Tropheus moorii | native | Blunthead cichlid | |
| Perciformes | Cichlidae | Tylochromis polylepis | native | Ndanga | |
| Perciformes | Cichlidae | Tyrannochromis macrostoma | native | ||
| Perciformes | Cichlidae | Tyrannochromis maculiceps | native | ||
| Perciformes | Cichlidae | Tyrannochromis nigriventer | native | ||
| Mugiliformes | Mugilidae | Valamugil buchanani | native | Bluetail mullet | Mkizi |
| Mugiliformes | Mugilidae | Valamugil seheli | native | Bluespot mullet | Mkizi |
| Perciformes | Cichlidae | Variabilichromis moorii | native | ||
| Cypriniformes | Cyprinidae | Varicorhinus leleupanus | native | ||
| Cypriniformes | Cyprinidae | Varicorhinus platystomus | native | Rwandese carp | |
| Cypriniformes | Cyprinidae | Xenobarbus loveridgei | native | ||
| Perciformes | Cichlidae | Xenochromis hecqui | native | ||
| Siluriformes | Clariidae | Xenoclarias eupogon | native | Lake Victoria deepwater catfish | |
| Perciformes | Cichlidae | Xenotilapia bathyphila | native | ||
| Perciformes | Cichlidae | Xenotilapia boulengeri | native | ||
| Perciformes | Cichlidae | Xenotilapia caudafasciata | native | ||
| Perciformes | Cichlidae | Xenotilapia flavipinnis | native | Yellow Sand Cichlid | |
| Perciformes | Cichlidae | Xenotilapia leptura | native | ||
| Perciformes | Cichlidae | Xenotilapia longispinis | native | ||
| Perciformes | Cichlidae | Xenotilapia melanogenys | native | ||
| Perciformes | Cichlidae | Xenotilapia nigrolabiata | native | ||
| Perciformes | Cichlidae | Xenotilapia ochrogenys | native | ||
| Perciformes | Cichlidae | Xenotilapia ornatipinnis | native | ||
| Perciformes | Cichlidae | Xenotilapia sima | native | ||
| Perciformes | Cichlidae | Xenotilapia spiloptera | native | ||
| Perciformes | Gobiidae | Yongeichthys nebulosus | native | Shadow goby | |
| Siluriformes | Amphiliidae | Zaireichthys compactus | native | ||
| Siluriformes | Amphiliidae | Zaireichthys rotundiceps | native | Spotted sand catlet | Spotted sand catlet |
| Siluriformes | Amphiliidae | Zaireichthys wamiensis | native |