| Order | Family | Species | Status | FB name | Name |
| Siluriformes | Amphiliidae | Amphilius uranoscopus | native | Stargazer mountain catfish | Opkyk- bergbaber |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys hutereaui | native | Meshscaled topminnow | Tralie-lampogie |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys katangae | native | Striped topminnow | Streep-lampogie |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys macrurus | native | Big tailed lampeye | |
| Cyprinodontiformes | Poeciliidae | Aplocheilichthys moeruensis | native | Moero lampeye | |
| Perciformes | Sciaenidae | Argyrosomus coronus | native | Dusky kob | Kabeljou |
| Siluriformes | Ariidae | Arius latiscutatus | native | Rough-head sea catfish | Rough-head sea catfish |
| Characiformes | Characidae | Astyanax orthodus | introduced | ||
| Atheriniformes | Atherinidae | Atherina breviceps | native | Cape silverside | Kaapse spierinkie |
| Siluriformes | Austroglanididae | Austroglanis sclateri | native | Rock-catfish | Rock catfish |
| Perciformes | Gobiidae | Awaous lateristriga | native | West African freshwater goby | |
| Cypriniformes | Cyprinidae | Barbus afrohamiltoni | native | Hamilton's barb | Hamilton's barb |
| Cypriniformes | Cyprinidae | Barbus afrovernayi | native | Spottail barb | Kolstert-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus anoplus | introduced | Chubbyhead barb | Chubbyhead barb |
| Cypriniformes | Cyprinidae | Barbus barnardi | native | Blackback barb | Swartrug-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus barotseensis | native | Barbus barb | Barotse-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus bifrenatus | native | Hyphen barb | Skakel-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus breviceps | native | Shorthead barb | Shorthead barb |
| Cypriniformes | Cyprinidae | Barbus brevidorsalis | native | Dwarf barb | Dwerg-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus dorsolineatus | native | Cunene barb | Kunene barb |
| Cypriniformes | Cyprinidae | Barbus eutaenia | native | Orangefin barb | Oranjevlerk-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus fasciolatus | native | African banded barb | Rooi-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus haasianus | native | Sickle barb | Sekelvin-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus hospes | native | Namaquab barb | Namaquab barb |
| Cypriniformes | Cyprinidae | Barbus kerstenii | native | Redspot barb | Redspot barb |
| Cypriniformes | Cyprinidae | Barbus lineomaculatus | native | Line-spotted barb | Lynspikkel-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus mattozi | native | Papermouth | Papermouth |
| Cypriniformes | Cyprinidae | Barbus miolepis | native | Zigzag barb | Zigzag barb |
| Cypriniformes | Cyprinidae | Barbus multilineatus | native | Copperstripe barb | Koperstreep-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus paludinosus | native | Straightfin barb | Lynvin-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus poechii | native | Dashtail barb | Streepstert-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus radiatus radiatus | native | Redeye barb | Beira-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus tangandensis | native | Redsport barb | Rooikol-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus thamalakanensis | native | Thamalakane barb | Thamalakane-ghieliemientjie |
| Cypriniformes | Cyprinidae | Barbus trimaculatus | native | Threespot barb | Threespot barb |
| Cypriniformes | Cyprinidae | Barbus unitaeniatus | native | Slender barb | Langbaard-ghieliemientjie |
| Characiformes | Alestidae | Brycinus lateralis | native | Striped robber | Streep-rower |
| Cypriniformes | Cyprinidae | Carassius auratus auratus | introduced | Goldfish | Goldfish |
| Perciformes | Cichlidae | Chetia gracilis | native | Slender happy | Slender happy |
| Perciformes | Cichlidae | Chetia welwitschi | native | Angolan happy | Angola happy |
| Siluriformes | Mochokidae | Chiloglanis fasciatus | native | Okavango suckermouth | Okavango suckermouth |
| Siluriformes | Mochokidae | Chiloglanis neumanni | native | Neumann's suckermouth | Neumann se suierbekkie |
| Siluriformes | Clariidae | Clariallabes platyprosopos | native | Broadhead catfish | Breëkop-baber |
| Siluriformes | Clariidae | Clarias cavernicola | endemic | Cave catfish | Cave catfish |
| Siluriformes | Clariidae | Clarias gariepinus | native | North African catfish | Skerptand-baber |
| Siluriformes | Clariidae | Clarias liocephalus | native | Smoothhead catfish | Smoothhead catfish |
| Siluriformes | Clariidae | Clarias ngamensis | native | Blunt-toothed African catfish | Stomptand-baber |
| Siluriformes | Clariidae | Clarias stappersii | native | Blotched catfish | Blotched catfish |
| Siluriformes | Clariidae | Clarias submarginatus | native | Blotched catfish | |
| Siluriformes | Clariidae | Clarias theodorae | native | Snake catfish | Slangbaber |
| Cypriniformes | Cyprinidae | Clypeobarbus bellcrossi | native | Gorgeous barb | Gorgeous barb |
| Cypriniformes | Cyprinidae | Coptostomabarbus wittei | native | Upjaw barb | Boel-ghieliemientjie |
| Perciformes | Gobiidae | Ctenogobius lepturus | native | ||
| Perciformes | Anabantidae | Ctenopoma multispine | native | Manyspined ctenopoma | Stekelrige kurper |
| Perciformes | Anabantidae | Ctenopoma muriei | misidentification | Ocellated labyrinth fish | |
| Cypriniformes | Cyprinidae | Cyprinus carpio carpio | introduced | Common carp | Common carp |
| Perciformes | Eleotridae | Dormitator lebretonis | native | ||
| Perciformes | Eleotridae | Eleotris vittata | native | ||
| Siluriformes | Ariidae | Galeichthys feliceps | native | White baggar | Wit seebaber |
| Perciformes | Cichlidae | Hemichromis elongatus | native | Banded jewel cichlid | Banded jewelfish |
| Perciformes | Cichlidae | Hemichromis fasciatus | native | Banded jewelfish | Balk-juweelvis |
| Characiformes | Citharinidae | Hemigrammocharax machadoi | native | Dwarf citharine | Dwerg-sitarien |
| Characiformes | Citharinidae | Hemigrammocharax multifasciatus | native | Multibar citharine | Veelbalk-sitarien |
| Characiformes | Hepsetidae | Hepsetus odoe | native | Kafue pike | Afrikaanse greepvis |
| Osteoglossiformes | Mormyridae | Hippopotamyrus ansorgii | native | Slender stonebasher | Slank klipstamper |
| Osteoglossiformes | Mormyridae | Hippopotamyrus discorhynchus | native | Zambezi parrotfish | Zambezi-papegaavis |
| Osteoglossiformes | Mormyridae | Hippopotamyrus szaboi | native | ||
| Characiformes | Alestidae | Hydrocynus vittatus | native | Tiger fish | Tiervis |
| Cyprinodontiformes | Poeciliidae | Hypsopanchax jubbi | native | Southern deepbody | Southern deepbody |
| Gonorynchiformes | Kneriidae | Kneria maydelli | native | Cunene kneria | Kunene kneria |
| Gonorynchiformes | Kneriidae | Kneria polli | native | Western shellear | Northern kneria |
| Cypriniformes | Cyprinidae | Labeo ansorgii | native | Cunene labeo | Kunene labeo |
| Cypriniformes | Cyprinidae | Labeo capensis | native | Orange river mudfish | Orange river mudfsih |
| Cypriniformes | Cyprinidae | Labeo cylindricus | native | Redeye labeo | Rooioog-labeo |
| Cypriniformes | Cyprinidae | Labeo lunatus | native | Upper Zambezi labeo | Bo-Zambezi-labeo |
| Cypriniformes | Cyprinidae | Labeo ruddi | native | Silver labeo | Silver labeo |
| Cypriniformes | Cyprinidae | Labeo umbratus | native | Moggel | Moggel |
| Cypriniformes | Cyprinidae | Labeobarbus aeneus | native | Smallmouth yellowfish | Smallmouth yellowfish |
| Cypriniformes | Cyprinidae | Labeobarbus codringtonii | native | Upper Zambezi yellowfish | Bo-Zambezi-geelvis |
| Cypriniformes | Cyprinidae | Labeobarbus kimberleyensis | native | Largemouth yellowfish | Largemouth yellowfish |
| Mugiliformes | Mugilidae | Liza falcipinnis | native | Sicklefin mullet | |
| Mugiliformes | Mugilidae | Liza richardsonii | native | South African mullet | Suidelike harder |
| Osteoglossiformes | Mormyridae | Marcusenius altisambesi | native | ||
| Osteoglossiformes | Mormyridae | Marcusenius macrolepidotus macrolepidotus | native | Bulldog | Boelhond |
| Synbranchiformes | Mastacembelidae | Mastacembelus frenatus | native | Longtail spiny eel | Langstertstekelpaling |
| Synbranchiformes | Mastacembelidae | Mastacembelus vanderwaali | native | Ocellated spiny eel | Bont stekelpaling |
| Cypriniformes | Cyprinidae | Mesobola brevianalis | native | River sardine | River sardine |
| Characiformes | Alestidae | Micralestes acutidens | native | Sharptooth tetra | Silwer rower |
| Perciformes | Anabantidae | Microctenopoma intermedium | native | Blackspot climbing perch | |
| Cyprinodontiformes | Poeciliidae | Micropanchax johnstoni | native | Johnston's topminnow | Johnston se lampogie |
| Perciformes | Centrarchidae | Micropterus salmoides | introduced | Largemouth bass | Largemouth bass |
| Osteoglossiformes | Mormyridae | Mormyrus lacerda | native | Western bottlenose mormyrid | Westelike bottelneus |
| Mugiliformes | Mugilidae | Mugil cephalus | native | Flathead mullet | Platkopharder |
| Characiformes | Citharinidae | Nannocharax macropterus | native | Broad-barred citharine | Breëbalk-sitarien |
| Perciformes | Gobiidae | Nematogobius ansorgii | native | ||
| Cyprinodontiformes | Nothobranchiidae | Nothobranchius polli | misidentification | ||
| Cypriniformes | Cyprinidae | Opsaridium zambezense | native | Barred minnow | Balk-ghieliemientjie |
| Perciformes | Cichlidae | Oreochromis andersonii | native | Three spotted tilapia | Driekol-tilapia |
| Perciformes | Cichlidae | Oreochromis macrochir | native | Longfin tilapia | Groenkop-tilapia |
| Perciformes | Cichlidae | Oreochromis mossambicus | introduced | Mozambique tilapia | Mozambique tilapia |
| Perciformes | Cichlidae | Orthochromis machadoi | native | Cunene dwarf happy | Kunene dwarf happy |
| Gonorynchiformes | Kneriidae | Parakneria fortuita | native | Cubango kneria | |
| Osteoglossiformes | Mormyridae | Paramormyrops jacksoni | native | Ghost stonebasher | |
| Siluriformes | Claroteidae | Parauchenoglanis ngamensis | native | Zambezi grunter | Zambesi-knorbaber |
| Osteoglossiformes | Mormyridae | Petrocephalus catostoma catostoma | native | Churchill | Churchill |
| Perciformes | Cichlidae | Pharyngochromis acuticeps | native | Zambezi bream | Zambezi happy |
| Perciformes | Cichlidae | Pharyngochromis darlingi | native | Zambezi happy | Zambezi-happie |
| Cyprinodontiformes | Poeciliidae | Poecilia reticulata | introduced | Guppy | Guppy |
| Osteoglossiformes | Mormyridae | Pollimyrus castelnaui | native | Dwarf stonebasher | Dwerg-klipstamper |
| Perciformes | Haemulidae | Pomadasys jubelini | native | Sompat grunt | Atlantiese gespikkelde knorder |
| Perciformes | Cichlidae | Pseudocrenilabrus philander luebberti | native | ||
| Perciformes | Cichlidae | Pseudocrenilabrus philander philander | native | Southern mouthbrooder | Suidelike mondbroeier |
| Characiformes | Alestidae | Rhabdalestes maunensis | native | Okavango robber | Okavango robber |
| Perciformes | Cichlidae | Sargochromis carlottae | native | Rainbow happy | Reënboog-happie |
| Perciformes | Cichlidae | Sargochromis codringtonii | native | Green happy | Groen happie |
| Perciformes | Cichlidae | Sargochromis coulteri | native | Cunene happy | Kunene happy |
| Perciformes | Cichlidae | Sargochromis giardi | native | Pink happy | Ligroos happie |
| Perciformes | Cichlidae | Sargochromis greenwoodi | native | Greenwood's happy | Greenwood's happy |
| Perciformes | Cichlidae | Sargochromis mortimeri | native | Mortimer's happy | Mortimer's happy |
| Siluriformes | Schilbeidae | Schilbe intermedius | native | Silver catfish | Silver butter catfish |
| Siluriformes | Schilbeidae | Schilbe mystus | native | African butter catfish | Silwerbaber |
| Siluriformes | Schilbeidae | Schilbe yangambianus | native | Yangambi butterbarbel | Yangambi butterbarbel |
| Perciformes | Cichlidae | Serranochromis altus | native | Humpback largemouth | Humpback largemouth |
| Perciformes | Cichlidae | Serranochromis angusticeps | native | Thinface cichlid | Smalkop-grootbek |
| Perciformes | Cichlidae | Serranochromis longimanus | native | Longfin largemouth | Langvin-grootbek |
| Perciformes | Cichlidae | Serranochromis macrocephalus | native | Purpleface largemouth | Persgesig-grootbek |
| Perciformes | Cichlidae | Serranochromis robustus jallae | native | Nembwe | Nembwe |
| Perciformes | Cichlidae | Serranochromis robustus robustus | native | Yellow-belly bream | Nembwe |
| Perciformes | Cichlidae | Serranochromis thumbergi | native | Brownspot largemouth | Bruinkol-grootbek |
| Siluriformes | Mochokidae | Synodontis leopardina | native | Leopard squeaker | Luiperdkol-skreeubaber |
| Siluriformes | Mochokidae | Synodontis macrostigma | native | Largespot squeaker | Grootvlek-skreeubaber |
| Siluriformes | Mochokidae | Synodontis macrostoma | native | Largemouth squeaker | Largemouth squeaker |
| Siluriformes | Mochokidae | Synodontis nigromaculata | native | Blackspotted squeaker | Spikkel-skreeubaber |
| Siluriformes | Mochokidae | Synodontis thamalakanensis | native | Bubblebarb squeaker | |
| Siluriformes | Mochokidae | Synodontis vanderwaali | native | Finetooth squeaker | |
| Siluriformes | Mochokidae | Synodontis woosnami | native | Upper Zambezi squeaker | Bo-Zambezi skreeubaber |
| Perciformes | Cichlidae | Thoracochromis albolabris | native | Thicklipped happy | Thicklipped happy |
| Perciformes | Cichlidae | Thoracochromis buysi | native | Namib happy | Namib happy |
| Perciformes | Cichlidae | Tilapia guinasana | endemic | Otjikoto tilapia | Otjikoto-kurper |
| Perciformes | Cichlidae | Tilapia rendalli | native | Redbreast tilapia | Noordelike rooibors-tilapia |
| Perciformes | Cichlidae | Tilapia ruweti | native | Okavango tilapia | Okavango-tilapia |
| Perciformes | Cichlidae | Tilapia sparrmanii | native | Banded tilapia | Vlei-tilapia |
| Perciformes | Osphronemidae | Trichogaster trichopterus | introduced | Three spot gourami | |
| Cyprinodontiformes | Poeciliidae | Xiphophorus hellerii | introduced | Green swordtail | Swordtail |
| Siluriformes | Amphiliidae | Zaireichthys dorae | native | Chobe sand catlet | Geviekte babertjie |
| Siluriformes | Amphiliidae | Zaireichthys rotundiceps | native | Spotted sand catlet | Gevlekte babertjie |