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Fish Species in Rio Negro Rises in E Colombia where it is known as the Guainía, flows E to the Venezuela boundary, forms a section of Colombia-Venezuela boundary, crosses Brazil and SE into Amazon river at Manaus; is joined to the Orinoco through the Casiquiare river | |||||
| [No. of Species listed in Fishbase.org=206] | |||||
| Species | Family | Habitat | Length (cm) | Trophic level | Status |
| Acanthodoras depressus | Doradidae | demersal | 10 TL | 2.1 | native |
| Acarichthys heckelii | Cichlidae | benthopelagic | 17 TL | 3.0 | native |
| Acaronia nassa | Cichlidae | benthopelagic | 19 TL | 3.7 | native |
| Acestridium dichromum | Loricariidae | benthopelagic | 8 TL | 3.0 | native |
| Acestridium martini | Loricariidae | benthopelagic | 9 TL | native |
| Acestrorhynchus grandoculis | Acestrorhynchidae | benthopelagic | 14 TL | 2.9 | native |
| Achiropsis nattereri | Achiridae | demersal | 17 TL | 3.4 | native |
| Aequidens diadema | Cichlidae | benthopelagic | 15 TL | 3.2 | native |
| Aequidens pallidus | Cichlidae | benthopelagic | 18 TL | 3.2 | native |
| Ageneiosus piperatus | Auchenipteridae | pelagic | 6 TL | 3.0 | native |
| Ageneiosus polystictus | Auchenipteridae | pelagic | 55 TL | 3.5 | native |
| Agoniates anchovia | Characidae | benthopelagic | 19 TL | 3.0 | native |
| Agoniates halecinus | Characidae | benthopelagic | 27 TL | 3.2 | native |
| Amblydoras affinis | Doradidae | demersal | 13 TL | 2.6 | native |
| Anduzedoras oxyrhynchus | Doradidae | demersal | 40 TL | 3.4 | native |
| Argonectes longiceps | Hemiodontidae | benthopelagic | 30 TL | 3.0 | native |
| Argonectes robertsi | Hemiodontidae | benthopelagic | 36 TL | 2.7 | native |
| Asterophysus batrachus | Auchenipteridae | demersal | 31 TL | 3.3 | native |
| Astronotus crassipinnis | Cichlidae | benthopelagic | 30 TL | 3.0 | native |
| Atopomesus pachyodus | Characidae | benthopelagic | 12 TL | 3.0 | native |
| Aulixidens eugeniae | Characidae | benthopelagic | 6 TL | 3.0 | native |
| Biotoecus opercularis | Cichlidae | benthopelagic | 10 TL | 3.0 | native |
| Bivibranchia fowleri | Hemiodontidae | benthopelagic | 18 TL | 3.0 | native |
| Boulengerella cuvieri | Ctenoluciidae | pelagic | 98 TL | 3.2 | native |
| Boulengerella lateristriga | Ctenoluciidae | pelagic | 32 TL | 4.5 | native |
| Boulengerella lucius | Ctenoluciidae | pelagic | 52 TL | 2.9 | native |
| Boulengerella maculata | Ctenoluciidae | pelagic | 39 TL | 4.5 | native |
| Boulengerella xyrekes | Ctenoluciidae | pelagic | 47 TL | 2.5 | native |
| Brachyrhamdia heteropleura | Heptapteridae | demersal | 8 TL | 3.2 | native |
| Brittanichthys axelrodi | Characidae | benthopelagic | 4 TL | 3.0 | native |
| Brittanichthys myersi | Characidae | benthopelagic | 4 TL | 3.0 | native |
| Bryconamericus deuterodonoides | Characidae | benthopelagic | 8 TL | 3.0 | native |
| Bryconamericus ternetzi | Characidae | benthopelagic | 8 TL | 3.0 | native |
| Bryconops humeralis | Characidae | benthopelagic | 12 TL | 3.2 | native |
| Bryconops inpai | Characidae | benthopelagic | 10 TL | 3.2 | native |
| Caenotropus mestomorgmatos | Chilodontidae | benthopelagic | 20 TL | 2.9 | native |
| Carnegiella marthae | Gasteropelecidae | pelagic | 4 TL | 3.2 | native |
| Centrodoras hasemani | Doradidae | demersal | 26 TL | 3.0 | native |
| Centromochlus macracanthus | Auchenipteridae | demersal | 9 TL | 3.0 | native |
| Chaetostoma machiquense | Loricariidae | benthopelagic | 9 TL | 2.2 | native |
| Chalceus macrolepidotus | Characidae | pelagic | 30 TL | 3.5 | native |
| Charax condei | Characidae | benthopelagic | 7 TL | 4.5 | native |
| Chasmocranus longior | Heptapteridae | demersal | 17 TL | 3.3 | native |
| Cichla orinocensis | Cichlidae | benthopelagic | 76 TL | 4.4 | native |
| Cichla temensis | Cichlidae | benthopelagic | 99 TL | 4.5 | native |
| Copella compta | Lebiasinidae | benthopelagic | 7 TL | 3.1 | native |
| Copella metae | Lebiasinidae | benthopelagic | 5 TL | 3.5 | native |
| Copella nattereri | Lebiasinidae | benthopelagic | 6 TL | 3.3 | native |
| Corydoras amandajanea | Callichthyidae | demersal | 8 TL | 3.0 | native |
| Corydoras crypticus | Callichthyidae | demersal | 6 TL | 3.0 | native |
| Corydoras duplicareus | Callichthyidae | demersal | 5 TL | 3.0 | native |
| Corydoras imitator | Callichthyidae | demersal | 7 TL | 2.9 | native |
| Corydoras incolicana | Callichthyidae | demersal | 7 TL | 2.9 | native |
| Corydoras parallelus | Callichthyidae | demersal | 7 TL | 2.9 | native |
| Corydoras rabauti | Callichthyidae | demersal | 7 TL | 3.0 | endemic |
| Corydoras robineae | Callichthyidae | demersal | 6 TL | 3.0 | native |
| Corydoras serratus | Callichthyidae | demersal | 6 TL | 2.9 | native |
| Creagrutus maxillaris | Characidae | benthopelagic | 9 TL | 3.0 | native |
| Creagrutus melanzonus | Characidae | benthopelagic | 5 TL | 3.0 | native |
| Crenicichla notophthalmus | Cichlidae | benthopelagic | 10 TL | 3.2 | native |
| Crenicichla reticulata | Cichlidae | benthopelagic | 27 TL | 3.1 | native |
| Crenicichla virgatula | Cichlidae | benthopelagic | 9 TL | 3.0 | native |
| Crenuchus spilurus | Crenuchidae | pelagic | 6 TL | 3.3 | native |
| Curimata cisandina | Curimatidae | benthopelagic | 15 TL | 2.0 | native |
| Curimata ocellata | Curimatidae | benthopelagic | 28 TL | 2.3 | native |
| Curimatella alburna | Curimatidae | benthopelagic | 23 TL | 2.5 | native |
| Curimatella dorsalis | Curimatidae | benthopelagic | 14 TL | native |
| Curimatella meyeri | Curimatidae | benthopelagic | 20 TL | native |
| Cyphocharax multilineatus | Curimatidae | benthopelagic | 14 TL | native |
| Dekeyseria picta | Loricariidae | demersal | 14 TL | 2.4 | native |
| Dekeyseria pulcher | Loricariidae | demersal | 13 TL | 2.0 | native |
| Dekeyseria scaphirhyncha | Loricariidae | demersal | 26 TL | 2.8 | native |
| Dicrossus filamentosus | Cichlidae | benthopelagic | 5 TL | 3.0 | native |
| Dolichancistrus pediculatus | Loricariidae | demersal | 12 TL | 2.1 | native |
| Elachocharax geryi | Crenuchidae | pelagic | 3 TL | 3.0 | native |
| Elachocharax mitopterus | Crenuchidae | pelagic | 2 TL | 3.3 | native |
| Elachocharax pulcher | Crenuchidae | pelagic | 3 TL | 3.1 | native |
| Farlowella nattereri | Loricariidae | demersal | 33 TL | 2.8 | native |
| Fluviphylax obscurus | Poeciliidae | benthopelagic | 3 TL | 2.5 | native |
| Fluviphylax zonatus | Poeciliidae | benthopelagic | 2 TL | 2.6 | native |
| Gelanoglanis nanonocticolus | Auchenipteridae | pelagic | 3 TL | 3.0 | native |
| Gladioglanis machadoi | Heptapteridae | demersal | 5 TL | 3.5 | native |
| Glanapteryx niobium | Trichomycteridae | benthopelagic | 7 TL | 3.3 | native |
| Glyptoperichthys gibbiceps | Loricariidae | demersal | 50 TL | 2.0 | native |
| Gnathocharax steindachneri | Characidae | pelagic | 7 TL | 3.2 | misidentification |
| Gymnorhamphichthys rosamarie | Rhamphichthyidae | demersal | 19 TL | 2.6 | native |
| Haemomaster venezuelae | Trichomycteridae | demersal | 9 TL | 3.1 | native |
| Hemidoras stenopeltis | Doradidae | demersal | 16 TL | 3.0 | native |
| Hemigrammus analis | Characidae | benthopelagic | 4 TL | 2.9 | native |
| Hemigrammus belottii | Characidae | benthopelagic | 4 TL | 3.2 | native |
| Hemigrammus bleheri | Characidae | benthopelagic | 5 TL | 2.9 | native |
| Hemigrammus coeruleus | Characidae | benthopelagic | 6 TL | 3.0 | native |
| Hemigrammus mimus | Characidae | benthopelagic | 4 TL | 2.9 | native |
| Hemigrammus schmardae | Characidae | benthopelagic | 5 TL | 2.9 | native |
| Hemigrammus stictus | Characidae | benthopelagic | 5 TL | 2.9 | native |
| Hemigrammus vorderwinkleri | Characidae | benthopelagic | 5 TL | 2.6 | native |
| Hemiodus argenteus | Hemiodontidae | benthopelagic | 29 TL | 3.0 | native |
| Hemiodus atranalis | Hemiodontidae | benthopelagic | 12 TL | 3.0 | native |
| Hemiodus gracilis | Hemiodontidae | benthopelagic | 20 TL | 2.9 | native |
| Hemiodus immaculatus | Hemiodontidae | benthopelagic | 31 TL | 2.7 | native |
| Hemiodus microlepis | Hemiodontidae | benthopelagic | 30 TL | 3.0 | native |
| Hemiodus quadrimaculatus | Hemiodontidae | benthopelagic | 16 TL | 2.6 | native |
| Hemiodus thayeria | Hemiodontidae | benthopelagic | 11 TL | 3.0 | native |
| Hemipsilichthys regani | Loricariidae | demersal | 12 TL | 2.1 | native |
| Heros notatus | Cichlidae | benthopelagic | 19 TL | 3.4 | native |
| Heros severus | Cichlidae | benthopelagic | 25 TL | 2.0 | native |
| Heterocharax leptogrammus | Characidae | benthopelagic | 5 TL | 3.0 | native |
| Heterocharax macrolepis | Characidae | benthopelagic | 6 TL | 3.0 | misidentification |
| Hoplarchus psittacus | Cichlidae | benthopelagic | 32 TL | 3.7 | native |
| Hoplocharax goethei | Characidae | benthopelagic | 4 TL | 3.0 | misidentification |
| Hydrolycus wallacei | Cynodontidae | pelagic | 41 TL | 3.0 | native |
| Hypancistrus inspector | Loricariidae | benthopelagic | 16 TL | 2.0 | native |
| Hyphessobrycon diancistrus | Characidae | benthopelagic | 4 TL | 3.0 | native |
| Hyphessobrycon epicharis | Characidae | benthopelagic | 5 TL | 2.9 | native |
| Hyphessobrycon pyrrhonotus | Characidae | benthopelagic | 6 TL | 2.8 | native |
| Hyphessobrycon socolofi | Characidae | benthopelagic | 7 TL | 3.0 | native |
| Hyphessobrycon tropis | Characidae | benthopelagic | 3 TL | 3.0 | native |
| Hypopygus neblinae | Hypopomidae | benthopelagic | 13 TL | 2.8 | native |
| Hypostomus squalinus | Loricariidae | demersal | 34 TL | 2.5 | native |
| Iguanodectes adujai | Characidae | benthopelagic | 8 TL | 3.2 | native |
| Iguanodectes geisleri | Characidae | benthopelagic | 7 TL | 3.2 | native |
| Iguanodectes gracilis | Characidae | benthopelagic | 6 TL | 3.0 | native |
| Imparfinis pristos | Heptapteridae | demersal | 12 TL | 3.2 | native |
| Jupiaba scologaster | Characidae | benthopelagic | 5 TL | 3.0 | native |
| Jupiaba zonata | Characidae | benthopelagic | 8 TL | 3.0 | native |
| Laetacara thayeri | Cichlidae | benthopelagic | 12 TL | 3.0 | native |
| Leporinus brunneus | Anostomidae | benthopelagic | 32 TL | native |
| Leptocharacidium omospilus | Crenuchidae | pelagic | 9 TL | 3.1 | native |
| Leptodoras copei | Doradidae | demersal | 18 TL | 3.2 | native |
| Leptodoras hasemani | Doradidae | demersal | 21 TL | 3.0 | native |
| Leptodoras praelongus | Doradidae | demersal | 22 TL | 3.0 | native |
| Leptorhamdia marmorata | Heptapteridae | demersal | 17 TL | 3.0 | native |
| Leptorhamdia nocturna | Heptapteridae | demersal | 17 TL | 3.0 | native |
| Lonchogenys ilisha | Characidae | benthopelagic | 8 TL | 3.0 | native |
| Melanocharacidium depressum | Crenuchidae | benthopelagic | 4 TL | 3.0 | native |
| Melanocharacidium dispilomma | Crenuchidae | benthopelagic | 5 TL | 3.1 | native |
| Mesonauta guyanae | Cichlidae | benthopelagic | 13 TL | 3.2 | native |
| Mesonauta insignis | Cichlidae | benthopelagic | 12 TL | 3.4 | native |
| Microcharacidium gnomus | Crenuchidae | pelagic | 3 TL | 3.1 | native |
| Microcharacidium weitzmani | Crenuchidae | pelagic | 2 TL | 3.4 | native |
| Micromischodus sugillatus | Hemiodontidae | benthopelagic | 21 TL | 3.0 | native |
| Microschemobrycon callops | Characidae | benthopelagic | 3 TL | 3.0 | native |
| Microschemobrycon casiquiare | Characidae | benthopelagic | 3 TL | 3.0 | native |
| Myleus torquatus | Characidae | benthopelagic | 30 TL | 3.3 | native |
| Nannacara adoketa | Cichlidae | benthopelagic | 6 TL | 3.1 | native |
| Nannostomus anduzei | Lebiasinidae | benthopelagic | 2 TL | 3.0 | native |
| Nannostomus beckfordi | Lebiasinidae | benthopelagic | 8 TL | 3.3 | native |
| Nannostomus marilynae | Lebiasinidae | benthopelagic | 5 TL | 3.2 | native |
| Nannostomus trifasciatus | Lebiasinidae | benthopelagic | 5 TL | 3.3 | native |
| Nemuroglanis pauciradiatus | Heptapteridae | demersal | 17 TL | 3.0 | native |
| Niobichthys ferrarisi | Loricariidae | demersal | 9 TL | native |
| Ochmacanthus alternus | Trichomycteridae | benthopelagic | 5 TL | 3.0 | native |
| Ochmacanthus orinoco | Trichomycteridae | benthopelagic | 6 TL | 3.2 | native |
| Odontesthes humensis | Atherinidae | benthopelagic | 29 TL | 2.5 | native |
| Odontesthes retropinnis | Atherinidae | benthopelagic | 29 TL | 2.5 | native |
| Odontocharacidium aphanes | Crenuchidae | pelagic | 3 TL | 3.0 | native |
| Olivaichthys viedmensis | Diplomystidae | demersal | 40 TL | 3.0 | native |
| Opsodoras boulengeri | Doradidae | demersal | 18 TL | 3.2 | native |
| Osteoglossum bicirrhosum | Osteoglossidae | benthopelagic | 120 TL | 3.2 | native |
| Oxyropsis acutirostris | Loricariidae | demersal | 7 TL | 2.4 | native |
| Paracheirodon axelrodi | Characidae | pelagic | 4 TL | 3.3 | native |
| Paracheirodon simulans | Characidae | pelagic | 3 TL | 3.0 | native |
| Parotocinclus polyochrus | Loricariidae | demersal | 4 TL | 2.6 | native |
| Petitella georgiae | Characidae | pelagic | 5 TL | 3.0 | native |
| Phenacogaster megalostictus | Characidae | benthopelagic | 5 TL | 3.0 | native |
| Poecilocharax weitzmani | Crenuchidae | benthopelagic | 4 TL | 3.0 | native |
| Potamorrhaphis petersi | Belonidae | pelagic | 31 TL | 3.5 | native |
| Priocharax ariel | Characidae | benthopelagic | 2 TL | 2.9 | native |
| Prochilodus rubrotaeniatus | Prochilodontidae | benthopelagic | 40 TL | 2.0 | native |
| Psectrogaster ciliata | Curimatidae | benthopelagic | 16 TL | 2.5 | native |
| Psectrogaster rutiloides | Curimatidae | benthopelagic | 18 TL | 2.0 | native |
| Pseudanos gracilis | Anostomidae | benthopelagic | 18 TL | 2.9 | native |
| Pseudepapterus cucuhyensis | Auchenipteridae | demersal | 8 TL | 3.2 | native |
| Pseudocetopsis praecox | Cetopsidae | demersal | 7 TL | 3.0 | native |
| Pseudorinelepis genibarbis | Loricariidae | benthopelagic | 44 TL | 2.7 | native |
| Pterophyllum altum | Cichlidae | benthopelagic | 8 TL | 3.3 | native |
| Pygidianops eigenmanni | Trichomycteridae | demersal | 3 TL | 3.1 | native |
| Pygocentrus nattereri | Characidae | pelagic | 41 TL | 4.0 | native |
| Racenisia fimbriipinna | Hypopomidae | benthopelagic | 12 TL | 2.8 | native |
| Reganella depressa | Loricariidae | demersal | 14 TL | 2.1 | native |
| Rhabdolichops electrogrammus | Sternopygidae | benthopelagic | 30 TL | 3.0 | native |
| Rhinobrycon negrensis | Characidae | benthopelagic | 5 TL | 3.1 | native |
| Roeboides oligistos | Characidae | benthopelagic | 9 TL | 3.6 | native |
| Roestes ogilviei | Cynodontidae | benthopelagic | 23 TL | 3.0 | native |
| Sarcoglanis simplex | Trichomycteridae | demersal | 13 TL | 3.0 | native |
| Satanoperca daemon | Cichlidae | benthopelagic | 21 TL | 3.5 | native |
| Satanoperca lilith | Cichlidae | benthopelagic | 32 TL | 3.6 | native |
| Scoloplax dolicholophia | Scoloplacidae | demersal | 2 TL | 2.6 | native |
| Scorpiodoras heckelii | Doradidae | demersal | 20 TL | 3.0 | native |
| Serrabrycon magoi | Characidae | benthopelagic | 4 TL | 3.0 | native |
| Serrasalmus eigenmanni | Characidae | benthopelagic | 22 TL | 4.1 | native |
| Serrasalmus gouldingi | Characidae | benthopelagic | 35 TL | 3.8 | native |
| Serrasalmus hastatus | Characidae | pelagic | 19 TL | 4.0 | native |
| Serrasalmus manueli | Characidae | benthopelagic | 44 TL | 3.1 | native |
| Serrasalmus rhombeus | Characidae | benthopelagic | 51 TL | 4.2 | native |
| Stauroglanis gouldingi | Trichomycteridae | benthopelagic | 13 TL | 3.0 | native |
| Stegostenopos cryptogenes | Hypopomidae | benthopelagic | 10 TL | 2.6 | native |
| Steindachnerina bimaculata | Curimatidae | benthopelagic | 17 TL | 2.5 | native |
| Sternopygus astrabes | Sternopygidae | benthopelagic | 20 TL | 2.6 | native |
| Sternopygus castroi | Sternopygidae | benthopelagic | 20 TL | 2.6 | native |
| Symphysodon discus | Cichlidae | benthopelagic | 16 TL | 2.9 | native |
| Taeniacara candidi | Cichlidae | benthopelagic | 5 TL | 3.5 | native |
| Trachelyopterus ceratophysus | Auchenipteridae | demersal | 22 TL | 3.3 | native |
| Trachydoras brevis | Doradidae | demersal | 12 TL | 2.6 | native |
| Tucanoichthys tucano | Characidae | benthopelagic | 3 TL | 2.8 | native |
| Tyttobrycon xeruini | Characidae | pelagic | 3 TL | 3.1 | native |
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| Page generated June 30, 2003 from Fishbase.org. Page created by: Jen, 15.11.01, last modified by Jen, 20.09.02. |