Species in the Negro
Species in the Negro

     n= 388 (Incomplete)
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Species Name Family Habitat Length (cm) Trophic Level Status
Acanthodoras depressus Doradidae demersal 8.1 SL 2.5 native
Acarichthys heckelii Threadfin acara Cichlidae benthopelagic 19.5 SL 2.7 native
Acaronia nassa Bigeye cichlid Cichlidae benthopelagic 16.0 SL 3.7 native
Acaronia vultuosa Cichlidae benthopelagic 12.2 SL 4.2 native
Acestridium dichromum Loricariidae benthopelagic 6.3 SL 2.0 native
Acestridium discus Loricariidae benthopelagic 6.7 SL 2.0 native
Acestridium martini Loricariidae benthopelagic 6.7 SL 2.0 native
Acestrocephalus sardina Characidae benthopelagic 21.7 SL 4.0 native
Acestrorhynchus falcatus Acestrorhynchidae benthopelagic 30.0 TL 4.2 native
Acestrorhynchus falcirostris Acestrorhynchidae benthopelagic 45.0 SL 3.8 native
Acestrorhynchus grandoculis Acestrorhynchidae benthopelagic 10.8 SL 3.8 native
Acestrorhynchus heterolepis Acestrorhynchidae benthopelagic 40.8 SL 4.2 native
Acestrorhynchus microlepis Pike characin Acestrorhynchidae benthopelagic 37.0 TL 4.3 native
Adontosternarchus clarkae Apteronotidae benthopelagic 18.6 TL 3.3 native
Adontosternarchus nebulosus Apteronotidae demersal 21.8 TL 3.3 native
Aequidens diadema Cichlidae benthopelagic 11.8 SL 3.2 native
Aequidens pallidus Doublespot acara Cichlidae benthopelagic 14.3 SL 3.2 native
Aequidens superomaculatum Cichlidae pelagic-neritic 6.5 SL 3.1 native
Ageneiosus lineatus Auchenipteridae pelagic 16.0 SL 3.6 native
Ageneiosus polystictus Auchenipteridae pelagic 45.0 SL 3.8 native
Agoniates anchovia Triportheidae benthopelagic 14.8 SL 2.9 native
Agoniates halecinus Triportheidae benthopelagic 26.8 TL 2.9 native
Amazonichthys lu Characidae benthopelagic 2.5 SL 3.1 native
Amblydoras affinis Guaporé thorny catfish Doradidae demersal 13.2 SL 2.4 native
Anablepsoides ottonii Rivulidae benthopelagic 2.3 SL 3.1 native
Anchoviella juruasanga Engraulidae pelagic 5.3 SL 3.2 native
Ancistrus dolichopterus Bushymouth catfish Loricariidae demersal 14.5 SL 2.0 native
Ancistrus leoni Loricariidae demersal 8.2 SL 2.3 native
Ancistrus nudiceps Loricariidae demersal 7.9 SL 2.3 native
Anduzedoras oxyrhynchus Doradidae demersal 32.3 SL 2.7 native
Apionichthys menezesi Achiridae demersal 6.0 SL 3.2 native
Apionichthys nattereri Achiridae demersal 23.4 SL 3.4 native
Apistogramma diplotaenia Cichlidae benthopelagic 4.5 TL 3.2 native
Apistogramma gephyra Cichlidae benthopelagic 4.0 3.3 native
Apistogramma gibbiceps Cichlidae benthopelagic 5.0 3.3 native
Apistogramma hippolytae Cichlidae benthopelagic 5.0 3.3 native
Apistogramma pertensis Amazon dwarf cichlid Cichlidae benthopelagic 4.5 TL 3.2 native
Apistogramma regani Cichlidae benthopelagic 5.0 3.3 native
Apistogramma wapisana Cichlidae benthopelagic 2.9 SL 3.2 native
Apteronotus anu Apteronotidae benthopelagic 27.1 TL 3.3 native
Apteronotus caudimaculosus Apteronotidae benthopelagic 28.7 TL 3.3 native
Argonectes longiceps Hemiodontidae benthopelagic 26.0 SL 2.8 native
Argonectes robertsi Hemiodontidae benthopelagic 35.5 TL 2.8 native
Asterophysus batrachus Auchenipteridae demersal 25.0 SL 3.5 native
Astronotus crassipinnis Cichlidae benthopelagic 24.0 SL 3.0 native
Astyanax clavitaeniatus Acestrorhamphidae benthopelagic 7.2 SL 2.9 native
Atopomesus pachyodus Characidae benthopelagic 4.3 3.6 native
Auchenipterichthys punctatus Auchenipteridae benthopelagic 15.1 SL 2.7 native
Belonion dibranchodon Belonidae benthopelagic 4.8 SL 3.4 native
Biotodoma wavrini Orinoco eartheater Cichlidae benthopelagic 10.0 SL 3.3 native
Biotoecus opercularis Cichlidae benthopelagic 10.0 TL 3.3 native
Bivibranchia fowleri Hemiodontidae benthopelagic 19.2 TL 2.9 native
Boulengerella cuvieri Ctenoluciidae pelagic 88.0 FL 4.5 native
Boulengerella lateristriga Striped pike-characin Ctenoluciidae pelagic 25.8 SL 4.2 native
Boulengerella lucius Golden pike-characin Ctenoluciidae pelagic 43.0 SL 4.5 native
Boulengerella maculata Spotted pike-characin Ctenoluciidae pelagic 31.9 SL 4.2 native
Boulengerella xyrekes Ctenoluciidae pelagic 38.2 SL 4.5 native
Brachyglanis frenatus Heptapteridae demersal 9.9 SL 3.4 native
Brachyglanis nocturnus Heptapteridae demersal 8.1 SL 3.4 native
Brachyhypopomus batesi Hypopomidae benthopelagic 12.1 TL 3.1 native
Brachyhypopomus bullocki Hypopomidae benthopelagic 22.1 TL 3.2 native
Brachyhypopomus hamiltoni Hypopomidae benthopelagic 12.5 TL 3.1 native
Brachyhypopomus hendersoni Hypopomidae benthopelagic 20.3 TL 3.2 native
Brachyhypopomus provenzanoi Hypopomidae benthopelagic 11.0 TL 3.1 native
Brachyhypopomus regani Hypopomidae benthopelagic 15.6 TL 3.1 native
Brachyplatystoma capapretum Pimelodidae benthopelagic 58.1 SL 4.2 native
Brachyrhamdia heteropleura Heptapteridae demersal 4.3 SL 3.2 native
Brachyrhamdia rambarrani Heptapteridae demersal 5.5 SL 3.3 native
Brittanichthys axelrodi Acestrorhamphidae benthopelagic 2.8 SL 3.1 native
Brittanichthys myersi Acestrorhamphidae benthopelagic 3.2 SL 3.1 native
Bryconamericus deuterodonoides Stevardiidae benthopelagic 5.0 TL 2.8 native
Bryconamericus macrophthalmus Stevardiidae benthopelagic 4.7 SL 2.7 native
Bryconamericus ternetzi Stevardiidae benthopelagic 5.9 TL 2.7 native
Bryconops disruptus Iguanodectidae benthopelagic 6.4 SL 3.1 native
Bryconops humeralis Iguanodectidae benthopelagic 8.6 SL 3.2 native
Bryconops inpai Iguanodectidae benthopelagic 10.0 TL 3.2 native
Caenotropus mestomorgmatos Chilodontidae benthopelagic 19.2 TL 2.8 native
Callichthys serralabium Sawlipped catfish Callichthyidae demersal 15.8 SL 2.9 native
Carnegiella marthae Blackwing hatchetfish Gasteropelecidae pelagic 2.8 SL 3.2 native
Centrodoras hasemani Doradidae demersal 21.0 SL 2.8 native
Centromochlus macracanthus Auchenipteridae demersal 13.0 SL 3.4 native
Chaetostoma machiquense Loricariidae demersal 6.6 SL 2.5 native
Chalceus macrolepidotus Pinktail chalceus Chalceidae pelagic 25.0 SL 3.4 native
Chalceus taeniatus Chalceidae pelagic 3.0 native
Charax condei Characidae benthopelagic 5.4 SL 4.2 native
Charax delimai Characidae benthopelagic 12.1 SL 3.8 native
Chasmocranus longior Heptapteridae demersal 17.0 SL 3.5 native
Cichla nigromaculata Cichlidae benthopelagic 26.3 SL 4.1 native
Cichla orinocensis Cichlidae benthopelagic 61.7 SL 4.5 native
Cichla temensis Speckled pavon Cichlidae benthopelagic 99.0 TL 4.5 native
Compsaraia compsa Apteronotidae benthopelagic 33.9 TL 3.3 native
Copella compta Lebiasinidae benthopelagic 5.1 SL 3.4 native
Copella meinkeni Lebiasinidae benthopelagic 4.5 SL 3.4 native
Copella metae Lebiasinidae benthopelagic 3.4 SL 3.3 native
Copella nattereri Spotted tetra Lebiasinidae benthopelagic 4.5 SL 3.4 native
Corydoras adolfoi Adolf's catfish Callichthyidae demersal 5.7 SL 3.0 native
Corydoras amandajanea Amanda Jane's cory Callichthyidae demersal 5.9 SL 3.0 native
Corydoras burgessi Burgess' cory Callichthyidae demersal 4.8 SL 3.0 native
Corydoras crimmeni Blackwater cory Callichthyidae demersal 4.0 SL 3.0 native
Corydoras crypticus Yellow head cory Callichthyidae demersal 4.5 SL 3.0 native
Corydoras davidsandsi Sands' cory Callichthyidae demersal 4.4 SL 3.0 native
Corydoras duplicareus Broad stripe cory Callichthyidae demersal 4.0 SL 3.0 native
Corydoras imitator Imitator cory Callichthyidae demersal 5.6 SL 3.0 native
Corydoras incolicana Icana cory Callichthyidae demersal 5.2 SL 3.0 native
Corydoras kanei Kane's cory Callichthyidae demersal 3.8 SL 3.0 native
Corydoras nijsseni Nijssen's cory Callichthyidae demersal 3.0 SL 3.0 native
Corydoras parallelus Two line cory Callichthyidae demersal 5.2 SL 3.0 native
Corydoras rabauti Rust corydoras Callichthyidae demersal 5.0 SL 3.0 native
Corydoras robineae Bannertail catfish Callichthyidae demersal 4.4 SL 3.0 native
Corydoras serratus Sawtooth cory Callichthyidae demersal 4.9 SL 3.0 native
Corydoras tukano Callichthyidae demersal 4.1 SL 3.0 native
Corynopoma riisei Swordtail characin Stevardiidae pelagic 4.8 SL 3.0 native
Creagrutus ephippiatus Stevardiidae benthopelagic 5.8 SL 2.4 native
Creagrutus maxillaris Stevardiidae benthopelagic 7.2 SL 2.3 native
Creagrutus melanzonus Stevardiidae benthopelagic 3.6 SL 2.6 native
Creagrutus phasma Stevardiidae benthopelagic 6.6 SL 2.4 native
Creagrutus runa Stevardiidae benthopelagic 6.3 SL 2.4 native
Creagrutus tuyuka Stevardiidae demersal 6.8 SL 3.2 native
Creagrutus vexillapinnus Stevardiidae benthopelagic 5.0 SL 2.5 native
Creagrutus zephyrus Stevardiidae benthopelagic 4.0 SL 2.6 native
Crenicichla macrophthalma Cichlidae benthopelagic 20.0 SL 3.3 native
Crenicichla reticulata Cichlidae benthopelagic 29.5 SL 3.3 native
Crenuchus spilurus Sailfin tetra Crenuchidae pelagic 5.7 TL 3.3 native
Curimata cisandina Curimatidae benthopelagic 12.2 SL 2.2 native
Curimata ocellata Curimatidae benthopelagic 22.5 SL 2.0 native
Curimatella alburnus Curimatidae benthopelagic 18.8 SL 2.1 native
Curimatella dorsalis Curimatidae benthopelagic 14.9 TL 2.3 native
Curimatella meyeri Curimatidae benthopelagic 18.4 SL 2.0 native
Cyanogaster noctivaga Characidae benthopelagic 1.7 SL 3.0 native
Cyphocharax abramoides Curimatidae benthopelagic 21.3 SL 2.0 native
Cyphocharax leucostictus Curimatidae benthopelagic 15.8 TL 2.0 native
Cyphocharax mestomyllon Curimatidae benthopelagic 4.2 SL 2.5 native
Cyphocharax multilineatus Curimatidae benthopelagic 10.9 SL 2.0 native
Cyphocharax sanctigabrielis Curimatidae benthopelagic 6.7 SL 2.2 native
Dekeyseria brachyura Loricariidae demersal 16.0 TL 2.2 native
Dekeyseria picta Loricariidae demersal 14.0 TL 2.3 native
Dekeyseria pulchra Loricariidae demersal 10.0 SL 2.0 native
Dekeyseria scaphirhyncha Loricariidae demersal 21.0 SL 2.1 native
Denticetopsis praecox Cetopsidae demersal 5.3 SL 3.4 native
Denticetopsis royeroi Cetopsidae demersal 1.8 SL 3.0 native
Dicrossus filamentosus Chessboard cichlid Cichlidae benthopelagic 3.8 SL 3.1 native
Dicrossus foirni Cichlidae benthopelagic 7.1 SL 3.2 native
Dolichancistrus pediculatus Loricariidae demersal 12.0 TL 2.3 native
Eigenmannia matintapereira Sternopygidae benthopelagic 22.0 TL 3.1 native
Eigenmannia nigra Sternopygidae benthopelagic 47.6 TL 3.2 native
Elachocharax geryi Crenuchidae pelagic 1.9 SL 3.0 native
Elachocharax mitopterus Crenuchidae pelagic 1.4 SL 2.9 native
Elachocharax pulcher Crenuchidae pelagic 2.2 SL 3.1 native
Exastilithoxus hoedemani Loricariidae demersal 5.1 SL 2.6 native
Farlowella nattereri Loricariidae demersal 26.5 SL 2.4 native
Fluviphylax gouldingi Fluviphylacidae benthopelagic 1.4 SL 3.0 native
Fluviphylax obscurus Fluviphylacidae benthopelagic 1.7 SL 2.5 native
Fluviphylax wallacei Fluviphylacidae benthopelagic 1.5 SL 3.0 native
Fluviphylax zonatus Fluviphylacidae benthopelagic 1.6 SL 3.0 native
Garcialebias arachan Rivulidae benthopelagic 4.4 SL 3.2 native
Gelanoglanis nanonocticolus Auchenipteridae pelagic 2.2 SL 3.0 native
Geophagus dicrozoster Cichlidae benthopelagic 2.3 native
Geophagus winemilleri Cichlidae benthopelagic 20.0 SL 2.3 native
Gladioglanis machadoi Heptapteridae demersal 3.4 SL 3.5 native
Glanapteryx anguilla Trichomycteridae benthopelagic 6.1 TL 3.2 native
Glanapteryx niobium Trichomycteridae benthopelagic 5.5 3.2 native
Gnathocharax steindachneri Acestrorhynchidae pelagic 5.0 SL 3.5 misidentification
Gymnocharacinus bergii Naked characin Acestrorhamphidae demersal 7.5 TL 3.1 endemic
Gymnogeophagus australis Uruguayan eartheater Cichlidae benthopelagic 15.5 TL 3.3 native
Gymnorhamphichthys rosamariae Sand knifefish Rhamphichthyidae demersal 3.2 native
Gymnotus pedanopterus Gymnotidae benthopelagic 28.1 TL 3.3 native
Haemomaster venezuelae Trichomycteridae demersal 6.6 SL 2.3 native
Helogenes marmoratus Cetopsidae demersal 7.9 SL 3.5 native
Hemidoras boulengeri Doradidae demersal 19.3 SL 2.8 native
Hemidoras stenopeltis Doradidae demersal 19.4 SL 2.8 native
Hemigrammus analis Acestrorhamphidae benthopelagic 3.9 TL 3.2 native
Hemigrammus bellottii Acestrorhamphidae benthopelagic 3.3 SL 3.2 native
Hemigrammus coeruleus Acestrorhamphidae benthopelagic 5.8 TL 3.3 native
Hemigrammus grammicus Acestrorhamphidae benthopelagic 3.2 3.2 native
Hemigrammus mimus Acestrorhamphidae benthopelagic 2.8 SL 3.2 native
Hemigrammus schmardae Acestrorhamphidae benthopelagic 5.4 TL 3.3 native
Hemigrammus stictus Acestrorhamphidae benthopelagic 4.3 TL 3.2 native
Hemigrammus vorderwinkleri Acestrorhamphidae benthopelagic 3.3 SL 3.2 native
Hemiodus argenteus Hemiodontidae benthopelagic 23.7 SL 2.7 native
Hemiodus atranalis Wide halftooth characin Hemiodontidae benthopelagic 20.0 SL 2.7 native
Hemiodus gracilis Hemiodontidae benthopelagic 16.3 SL 2.7 native
Hemiodus immaculatus Hemiodontidae benthopelagic 24.7 SL 2.9 native
Hemiodus microlepis Hemiodontidae benthopelagic 23.9 SL 2.8 native
Hemiodus quadrimaculatus Barred hemiodus Hemiodontidae benthopelagic 13.1 SL 2.6 native
Hemiodus thayeria Hemiodontidae benthopelagic 8.9 SL 2.8 native
Heros notatus Cichlidae benthopelagic 15.0 SL 2.8 native
Heros severus Banded cichlid Cichlidae benthopelagic 20.0 SL 2.8 native
Heterocharax leptogrammus Acestrorhynchidae benthopelagic 3.4 SL 3.3 native
Heterocharax macrolepis Acestrorhynchidae benthopelagic 4.8 SL 3.5 misidentification
Heterocharax virgulatus Acestrorhynchidae benthopelagic 4.1 SL 3.4 native
Holopristis yinyang Acestrorhamphidae benthopelagic 2.9 SL 3.0 native
Hoplarchus psittacus Cichlidae benthopelagic 32.0 TL 3.7 native
Hoplias australis Erythrinidae benthopelagic 44.4 SL 4.1 native
Hoplias curupira Black wolf-fish Erythrinidae benthopelagic 29.9 SL 4.0 native
Hoplocharax goethei Acestrorhynchidae benthopelagic 3.0 SL 3.3 misidentification
Hydrolycus wallacei Cynodontidae pelagic 36.0 SL 4.2 native
Hypancistrus inspector Loricariidae benthopelagic 12.6 SL 2.0 native
Hypancistrus margaritatus Loricariidae demersal 4.6 SL 2.6 native
Hypancistrus phantasma Loricariidae demersal 12.3 SL 2.3 native
Hyphessobrycon diancistrus Acestrorhamphidae benthopelagic 3.7 SL 2.9 native
Hyphessobrycon pyrrhonotus Acestrorhamphidae benthopelagic 4.5 SL 2.9 native
Hyphessobrycon rheophilus Acestrorhamphidae benthopelagic 4.2 SL 2.9 native
Hyphessobrycon tropis Acestrorhamphidae benthopelagic 2.1 SL 3.0 native
Hypopygus hoedemani Hoedeman's Hypopygus Hypopomidae benthopelagic 5.9 TL 3.1 native
Hypopygus neblinae Hypopomidae benthopelagic 12.2 TL 3.1 native
Hypostomus hemicochliodon Loricariidae demersal 36.2 TL 2.0 native
Hypostomus macushi Loricariidae demersal 17.0 SL 2.1 native
Hypostomus sculpodon Loricariidae demersal 26.4 SL 2.0 native
Hypostomus weberi Loricariidae demersal 17.5 SL 2.1 native
Hypselecara coryphaenoides Cichlidae benthopelagic 16.0 SL 3.8 native
Iguanodectes adujai Iguanodectidae benthopelagic 6.2 SL 3.2 native
Iguanodectes geisleri Iguanodectidae benthopelagic 5.5 SL 3.2 native
Iguanodectes gracilis Iguanodectidae benthopelagic 4.6 SL 3.2 native
Imparfinis microps Heptapteridae demersal 6.1 SL 3.1 native
Imparfinis pristos Heptapteridae demersal 3.8 SL 3.1 native
Iracema caiana Dashed knifefish Rhamphichthyidae demersal 36.0 TL 3.2 native
Jenynsia onca Jaguar livebearer Anablepidae pelagic 8.0 TL 2.9 native
Jupiaba ajuricaba Acestrorhamphidae benthopelagic 9.5 SL 2.8 native
Jupiaba atypindi Acestrorhamphidae benthopelagic 2.9 native
Jupiaba poekotero Acestrorhamphidae benthopelagic 6.8 SL 2.9 native
Jupiaba scologaster Acestrorhamphidae benthopelagic 3.7 SL 2.9 native
Jupiaba zonata Acestrorhamphidae benthopelagic 4.7 SL 2.9 native
Knodus tiquiensis Stevardiidae benthopelagic 7.3 SL 3.3 native
Laemolyta taeniata Anostomidae benthopelagic 28.8 SL 2.2 native
Laetacara fulvipinnis Cichlidae demersal 7.4 SL 3.2 native
Laetacara thayeri Cichlidae benthopelagic 12.0 TL 3.2 native
Laimosemion amanapira Rivulidae benthopelagic 3.3 native
Laimosemion jauaperi Rivulidae benthopelagic 1.9 SL 3.0 native
Laimosemion kirovskyi Rivulidae benthopelagic 2.3 SL 3.1 native
Laimosemion staecki Rivulidae benthopelagic 2.9 SL 3.2 native
Laimosemion uakti Rivulidae benthopelagic 3.3 native
Lebiasina yepezi Lebiasinidae benthopelagic 15.3 SL 3.7 native
Leporinus brunneus Anostomidae benthopelagic 25.6 SL 2.3 native
Leporinus enyae Anostomidae benthopelagic 18.1 SL 2.4 native
Leporinus nattereri Anostomidae benthopelagic 2.4 native
Leporinus nigrotaeniatus Halfline leporinus Anostomidae benthopelagic 40.0 TL 2.3 native
Leporinus ortomaculatus Anostomidae benthopelagic 7.8 SL 2.6 native
Leptocharacidium omospilus Crenuchidae pelagic 7.0 SL 3.5 native
Leptodoras cataniai Doradidae demersal 19.4 SL 2.8 native
Leptodoras copei Doradidae demersal 14.2 SL 2.8 native
Leptodoras hasemani Doradidae demersal 22.8 TL 2.8 native
Leptodoras linnelli Doradidae demersal 23.0 SL 2.8 native
Leptodoras praelongus Doradidae demersal 18.5 SL 2.8 native
Leptophilypnion fittkaui Eleotridae demersal 1.0 SL 2.9 native
Leptorhamdia marmorata Heptapteridae demersal 12.8 SL 3.5 native
Leptotocinclus ctenistus Loricariidae demersal 3.1 SL 2.4 native
Lonchogenys ilisha Acestrorhynchidae benthopelagic 8.0 TL 3.6 native
Loricaria lundbergi Loricariidae demersal 13.8 SL 2.5 native
Loricaria spinulifera Loricariidae demersal 13.8 SL 2.5 native
Lugubria lenticulata Cichlidae benthopelagic 30.0 SL 3.8 native
Lugubria lugubris Cichlidae benthopelagic 32.9 TL 3.8 native
Lycengraulis figueiredoi Engraulidae pelagic 17.1 SL 3.7 native
Matilebias affinis Rivulidae benthopelagic 5.0 TL 3.2 native
Megalamphodus epicharis Acestrorhamphidae benthopelagic 3.3 SL 3.1 native
Megalamphodus socolofi Spotfin tetra Acestrorhamphidae benthopelagic 5.6 SL 3.2 native
Megalonema amaxanthum Pimelodidae demersal 31.2 SL 4.0 native
Melanocharacidium depressum Crenuchidae benthopelagic 3.4 TL 3.2 native
Melanocharacidium dispilomma Crenuchidae benthopelagic 5.0 TL 3.3 native
Mesonauta guyanae Cichlidae benthopelagic 11.2 TL 3.3 native
Mesonauta insignis Cichlidae benthopelagic 12.4 SL 3.4 native
Microcharacidium gnomus Crenuchidae pelagic 2.2 SL 3.1 native
Microcharacidium weitzmani Crenuchidae pelagic 1.2 SL 2.9 native
Micromischodus sugillatus Hemiodontidae benthopelagic 17.0 SL 2.9 native
Microphilypnus amazonicus Eleotridae demersal 2.4 SL 3.1 native
Microphilypnus macrostoma Eleotridae demersal 2.0 SL 3.0 native
Microschemobrycon callops Characidae benthopelagic 3.5 SL 3.3 native
Microschemobrycon casiquiare Characidae benthopelagic 3.5 SL 3.3 native
Microschemobrycon melanotus Characidae benthopelagic 4.3 TL 3.3 native
Microsternarchus bilineatus Hypopomidae benthopelagic 12.0 TL 3.1 native
Moenkhausia affinis Acestrorhamphidae benthopelagic 6.0 SL 3.3 native
Moenkhausia mikia Acestrorhamphidae demersal 7.8 SL 3.4 native
Myloplus nigrolineatus Blackline myleus Serrasalmidae benthopelagic 23.8 SL 2.0 native
Myloplus torquatus Serrasalmidae benthopelagic 29.4 SL 2.0 native
Mylossoma albiscopum Serrasalmidae pelagic 24.2 SL 2.6 native
Mylossoma aureum Serrasalmidae benthopelagic 20.0 TL 2.5 native
Nannacara adoketa Cichlidae benthopelagic 4.9 SL 3.1 native
Nannostomus anduzei Lebiasinidae benthopelagic 1.6 SL 3.0 native
Nannostomus beckfordi Golden pencilfish Lebiasinidae benthopelagic 6.5 SL 3.3 native
Nannostomus marilynae Greenstripe pencilfish Lebiasinidae benthopelagic 5.0 TL 3.3 native
Nannostomus trifasciatus Threestripe pencilfish Lebiasinidae benthopelagic 3.6 SL 3.3 native
Neblinichthys pilosus Loricariidae demersal 8.9 SL 2.4 endemic
Nemuroglanis pauciradiatus Heptapteridae demersal 3.3 SL 3.2 native
Niobichthys ferrarisi Loricariidae demersal 7.0 SL 2.0 native
Ochmacanthus alternus Trichomycteridae benthopelagic 4.0 SL 2.0 native
Ochmacanthus orinoco Trichomycteridae benthopelagic 4.6 SL 2.5 native
Odontesthes humensis Atherinopsidae benthopelagic 35.0 TL 3.6 native
Odontesthes orientalis Atherinopsidae benthopelagic 3.6 native
Odontesthes retropinnis Atherinopsidae benthopelagic 20.3 SL 3.6 native
Odontocharacidium aphanes Green dwarf tetra Crenuchidae pelagic 1.7 SL 3.0 native
Olivaichthys viedmensis Otuno Diplomystidae demersal 32.4 SL 3.4 native
Osteoglossum bicirrhosum Arawana Osteoglossidae benthopelagic 90.0 TL 3.4 native
Osteoglossum ferreirai Black arawana Osteoglossidae benthopelagic 90.0 TL 2.0 endemic
Oxyropsis acutirostris Loricariidae demersal 4.4 SL 2.1 native
Paracheirodon axelrodi Cardinal tetra Acestrorhamphidae pelagic 2.5 SL 3.3 native
Paracheirodon simulans Green neon tetra Acestrorhamphidae pelagic 2.0 SL 3.0 native
Paralithoxus bovallii Loricariidae demersal 5.9 SL 2.5 native
Paratrygon aiereba Discus ray Potamotrygonidae demersal 80.0 WD 3.4 native
Pareiorhaphis regani Loricariidae demersal 12.1 SL 2.0 native
Pariosternarchus amazonensis Apteronotidae benthopelagic 15.2 SL 3.3 native
Parotocinclus polyochrus Loricariidae demersal 3.0 SL 2.4 native
Peckoltia braueri Loricariidae demersal 10.3 SL 2.3 native
Peckoltia sabaji Loricariidae demersal 19.8 SL 2.1 native
Percichthys trucha Creole perch Percichthyidae benthopelagic 40.0 TL 3.3 native
Petitella bleheri Firehead tetra Acestrorhamphidae benthopelagic 3.6 SL 3.1 native
Petitella georgiae False rummynose tetra Acestrorhamphidae pelagic 3.9 SL 3.0 native
Phenacogaster megalostictus Characidae benthopelagic 3.7 SL 3.2 native
Phenacogaster prolata Characidae pelagic 5.0 SL 3.4 native
Phenacogaster retropinnus Characidae pelagic 5.1 SL 3.4 native
Phenacogaster tukano Characidae benthopelagic 4.0 SL 3.3 native
Physopyxis ananas Doradidae demersal 2.2 SL 2.9 native
Physopyxis cristata Doradidae demersal 2.3 SL 2.9 native
Pimelodella breviceps Heptapteridae benthopelagic 36.0 SL 3.8 native
Poecilocharax weitzmani Black morpho tetra Crenuchidae benthopelagic 4.0 TL 3.2 native
Polycentrus jundia Polycentridae benthopelagic 2.8 SL 3.3 native
Potamoglanis wapixana Trichomycteridae demersal 1.6 SL 3.0 native
Potamorrhaphis petersi Belonidae pelagic 24.6 SL 3.9 native
Potamotrygon schroederi Rosette river stingray Potamotrygonidae benthopelagic 60.0 WD 3.2 native
Potamotrygon wallacei Potamotrygonidae benthopelagic 31.0 WD 3.2 native
Priocharax ariel Acestrorhamphidae benthopelagic 1.5 SL 3.0 native
Priocharax nanus Acestrorhamphidae benthopelagic 1.5 SL 3.0 native
Procerusternarchus pixuna Hypopomidae benthopelagic 13.8 TL 3.1 native
Prochilodus rubrotaeniatus Prochilodontidae benthopelagic 32.0 SL 2.0 native
Psalidodon varzeae Acestrorhamphidae benthopelagic 8.3 SL 3.0 native
Psectrogaster ciliata Curimatidae benthopelagic 12.9 SL 2.0 native
Psectrogaster rutiloides Curimatidae benthopelagic 17.8 SL 2.0 native
Pseudacanthicus histrix Loricariidae demersal 90.0 TL 2.0 native
Pseudanos gracilis Anostomidae benthopelagic 18.1 SL 2.4 native
Pseudanos varii Anostomidae benthopelagic 21.0 SL 2.4 native
Pseudepapterus cucuhyensis Auchenipteridae demersal 5.9 SL 3.2 native
Pseudolithoxus dumus Loricariidae demersal 10.1 SL 2.3 native
Pseudolithoxus nicoi Loricariidae demersal 11.4 SL 2.3 native
Pseudoloricaria laeviuscula Loricariidae demersal 36.0 SL 2.3 native
Pseudorinelepis genibarbis Loricariidae benthopelagic 35.6 SL 2.0 native
Pterophyllum altum Cichlidae benthopelagic 18.0 TL 3.3 native
Pterygoplichthys gibbiceps Leopard pleco Loricariidae demersal 50.0 TL 2.0 native
Pygidianops eigenmanni Trichomycteridae demersal 2.3 SL 3.0 native
Pygocentrus nattereri Red piranha Serrasalmidae pelagic 50.0 SL 3.7 native
Racenisia fimbriipinna Hypopomidae benthopelagic 11.7 TL 3.1 native
Reganella depressa Loricariidae demersal 11.3 SL 2.6 native
Rhabdolichops electrogrammus Sternopygidae benthopelagic 29.2 TL 3.2 native
Rhadinoloricaria papillosa Loricariidae demersal 7.4 SL 2.7 native
Rhamdia foina Heptapteridae benthopelagic 16.5 SL 3.5 native
Rhamdia muelleri Heptapteridae benthopelagic 20.8 SL 3.6 native
Rhinobrycon negrensis Stevardiidae benthopelagic 3.9 SL 2.8 native
Rhytiodus argenteofuscus Anostomidae benthopelagic 32.0 SL 2.4 native
Rivulus carolinae Rivulidae benthopelagic 2.8 SL 3.1 native
Rivulus flammaecauda Rivulidae benthopelagic 3.6 SL 3.2 native
Roeboides oligistos Characidae benthopelagic 7.0 SL 3.6 native
Roestes ogilviei Acestrorhynchidae benthopelagic 18.7 SL 4.1 native
Sarcoglanis simplex Trichomycteridae demersal 2.1 NG 3.2 native
Satanoperca daemon Threespot eartheater Cichlidae benthopelagic 17.0 SL 3.1 native
Satanoperca lilith Cichlidae benthopelagic 25.5 SL 3.1 native
Scoloplax dolicholophia Scoloplacidae demersal 1.2 SL 3.0 native
Scorpiodoras heckelii Doradidae demersal 16.1 SL 2.3 native
Semaprochilodus taeniurus Silver prochilodus Prochilodontidae benthopelagic 27.2 SL 2.0 native
Serrabrycon magoi Acestrorhamphidae benthopelagic 3.2 SL 3.0 native
Serrasalmus eigenmanni Serrasalmidae benthopelagic 35.0 SL 3.7 native
Serrasalmus gouldingi Serrasalmidae benthopelagic 27.9 SL 3.6 native
Serrasalmus hastatus Serrasalmidae pelagic 15.5 SL 3.5 native
Serrasalmus manueli Serrasalmidae benthopelagic 36.0 SL 3.7 native
Serrasalmus rhombeus Redeye piranha Serrasalmidae benthopelagic 41.5 SL 4.0 native
Stauroglanis gouldingi Ghost candiru Trichomycteridae demersal 2.7 SL 3.1 native
Stegostenopos cryptogenes Hypopomidae benthopelagic 9.8 TL 3.1 native
Steindachnerina bimaculata Curimatidae benthopelagic 17.3 SL 2.0 native
Steindachnerina planiventris Curimatidae benthopelagic 8.7 SL 2.2 native
Sternarchella calhamazon Apteronotidae benthopelagic 18.5 TL 3.3 native
Sternarchogiton labiatus Apteronotidae pelagic 21.4 TL 3.3 native
Sternopygus astrabes Sternopygidae benthopelagic 23.3 TL 3.1 native
Sternopygus castroi Sternopygidae benthopelagic 19.6 TL 3.1 native
Sternopygus obtusirostris Sternopygidae benthopelagic 56.0 TL 3.2 native
Symphysodon discus Red discus Cichlidae benthopelagic 12.3 SL 2.9 native
Taeniacara candidi Cichlidae benthopelagic 5.0 TL 3.2 native
Tatia brunnea Auchenipteridae benthopelagic 11.6 SL 3.3 native
Tatia strigata Auchenipteridae benthopelagic 11.7 SL 3.2 native
Tetragonopterus argenteus Characidae pelagic 11.2 SL 3.6 native
Tetragonopterus chalceus Characidae pelagic 12.7 TL 3.5 native
Tetranematichthys barthemi Auchenipteridae demersal 17.6 SL 3.4 native
Tometes makue Serrasalmidae pelagic 37.9 SL 2.0 native
Trachelyopterus ceratophysus Auchenipteridae demersal 25.5 TL 3.4 native
Trachydoras brevis Doradidae demersal 13.9 TL 2.8 native
Trichomycterus gabrieli Trichomycteridae benthopelagic 5.0 3.2 native
Tucanoichthys tucano Acestrorhamphidae benthopelagic 1.7 SL 3.0 native
Tympanopleura piperata Auchenipteridae pelagic 9.5 SL 3.3 native
Typhlobelus ternetzi Trichomycteridae benthopelagic 3.4 SL 3.1 native
Tyttobrycon xeruini Acestrorhamphidae pelagic 2.3 SL 3.0 native
Uaru amphiacanthoides Uaru Cichlidae benthopelagic 25.0 SL 2.8 native
Wallaciia notophthalmus Cichlidae benthopelagic 7.6 SL 3.2 native
Wallaciia virgatula Cichlidae benthopelagic 6.6 SL 3.2 native
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