Species in the Orinoco
Species in the Orinoco

     n= 633 (Incomplete)
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Species Name Family Habitat Length (cm) Trophic Level Status
Abramites hypselonotus Marbled headstander Anostomidae pelagic 14.0 TL 2.9 native
Acanthobunocephalus nicoi Aspredinidae demersal 2.0 SL 3.0 native
Acaronia vultuosa Cichlidae benthopelagic 12.2 SL 4.2 native
Acestridium colombiense Loricariidae demersal 5.0 SL 2.0 native
Acestridium dichromum Loricariidae benthopelagic 6.3 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
Acestrorhynchus minimus Acestrorhynchidae benthopelagic 6.3 SL 3.6 native
Acestrorhynchus nasutus Acestrorhynchidae benthopelagic 6.9 SL 3.6 native
Achirus novoae Achiridae demersal 16.8 TL 3.3 native
Adontosternarchus devenanzii Apteronotidae benthopelagic 18.6 TL 3.3 native
Adontosternarchus sachsi Apteronotidae benthopelagic 32.2 TL 3.3 native
Aequidens chimantanus Cichlidae benthopelagic 10.2 SL 3.2 native
Aequidens diadema Cichlidae benthopelagic 11.8 SL 3.2 native
Aequidens metae Yellow acara Cichlidae benthopelagic 12.5 SL 3.2 endemic
Aequidens superomaculatum Cichlidae pelagic-neritic 6.5 SL 3.1 native
Aequidens tetramerus Saddle cichlid Cichlidae benthopelagic 19.2 TL 3.2 native
Agamyxis albomaculatus Spiny cat-fish Doradidae demersal 15.0 SL 2.3 native
Ageneiosus lineatus Auchenipteridae pelagic 16.0 SL 3.6 native
Ageneiosus magoi Auchenipteridae pelagic 18.1 SL 3.6 native
Ageneiosus ucayalensis Auchenipteridae pelagic 35.2 SL 3.7 native
Ageneiosus vittatus Auchenipteridae pelagic 22.0 SL 3.7 native
Amblydoras bolivarensis Doradidae demersal 10.2 SL 2.5 native
Amblydoras gonzalezi Doradidae demersal 9.8 SL 2.5 native
Ammocryptocharax elegans Crenuchidae benthopelagic 3.3 SL 3.2 native
Ammocryptocharax minutus Crenuchidae benthopelagic 2.0 SL 3.1 native
Ammocryptocharax vintonae Crenuchidae benthopelagic 9.0 SL 3.6 native
Anablepsoides deltaphilus Rivulidae benthopelagic 6.0 TL 3.2 endemic
Anablepsoides tessellatus Rivulidae benthopelagic 4.5 TL 3.2 endemic
Anchoviella guianensis Guyana anchovy Engraulidae pelagic 11.3 TL 3.4 native
Anchoviella jamesi James's anchovy Engraulidae pelagic 5.0 SL 3.2 native
Anchoviella manamensis Manamo anchovy Engraulidae pelagic 2.5 SL 3.1 native
Anchoviella perezi Engraulidae pelagic 3.6 SL 3.1 native
Ancistrus gymnorhynchus Loricariidae demersal 14.2 SL 2.0 native
Ancistrus macrophthalmus Loricariidae demersal 7.9 SL 2.3 native
Ancistrus patronus Loricariidae demersal 8.7 SL 2.2 native
Ancistrus saudades Loricariidae demersal 10.8 SL 2.1 native
Ancistrus triradiatus Loricariidae demersal 9.2 SL 2.2 native
Andinoacara pulcher Blue acara Cichlidae benthopelagic 16.0 TL 3.3 native
Anduzedoras oxyrhynchus Doradidae demersal 32.3 SL 2.7 native
Anodus orinocensis Hemiodontidae pelagic 27.5 SL 2.8 native
Anostomoides atrianalis Anostomidae benthopelagic 15.4 NG 2.3 native
Anostomus anostomus Striped headstander Anostomidae benthopelagic 16.0 TL 3.0 native
Anostomus ternetzi Anostomidae benthopelagic 12.0 TL 2.6 native
Apareiodon gransabana Parodontidae benthopelagic 9.2 SL 2.4 native
Apareiodon orinocensis Parodontidae benthopelagic 13.2 SL 2.3 native
Aphanotorulus ammophilus Loricariidae benthopelagic 16.1 SL 2.2 native
Aphyocharax colifax Characidae benthopelagic 5.0 3.3 native
Apionichthys dumerili Longtail sole Achiridae demersal 13.1 TL 3.3 native
Apionichthys menezesi Achiridae demersal 6.0 SL 3.2 native
Apionichthys sauli Achiridae demersal 7.0 SL 3.2 native
Apistogramma alacrina Cichlidae benthopelagic 5.5 SL 3.4 native
Apistogramma caudomaculata Cichlidae benthopelagic 3.3 native
Apistogramma flabellicauda Cichlidae pelagic 3.3 native
Apistogramma helkeri Cichlidae benthopelagic 4.0 SL 3.3 native
Apistogramma hoignei Cichlidae benthopelagic 6.0 SL 3.4 native
Apistogramma hongsloi Cichlidae benthopelagic 5.0 3.3 native
Apistogramma iniridae Cichlidae benthopelagic 5.0 3.3 native
Apistogramma inornata Cichlidae benthopelagic 3.3 native
Apistogramma intermedia Cichlidae pelagic 3.3 native
Apistogramma macmasteri Cichlidae benthopelagic 5.5 SL 3.3 native
Apistogramma megaptera Cichlidae benthopelagic 5.9 SL 3.4 native
Apistogramma minima Cichlidae pelagic 3.3 native
Apistogramma nororientalis Cichlidae pelagic 3.3 native
Apistogramma pedunculata Cichlidae pelagic 3.3 native
Apistogramma piaroa Cichlidae pelagic 3.3 native
Apistogramma velifera Cichlidae benthopelagic 3.3 native
Apistogramma viejita Cichlidae benthopelagic 4.6 3.3 native
Apteronotus baniwa Apteronotidae benthopelagic 15.5 TL 3.2 native
Apteronotus leptorhynchus Apteronotidae benthopelagic 26.9 TL 3.3 native
Apteronotus magoi Apteronotidae benthopelagic 3.3 native
Argonectes longiceps Hemiodontidae benthopelagic 26.0 SL 2.8 native
Argonectes robertsi Hemiodontidae benthopelagic 35.5 TL 2.8 native
Aspredo aspredo Banjo catfish Aspredinidae demersal 38.3 SL 3.3 native
Asterophysus batrachus Auchenipteridae demersal 25.0 SL 3.5 native
Astroblepus marmoratus Astroblepidae demersal 7.0 SL 3.2 native
Astroblepus micrescens Astroblepidae demersal 13.0 SL 3.3 native
Astronotus mikoljii Mikolji's Oscar Cichlidae benthopelagic 24.0 SL 3.0 native
Astronotus ocellatus Oscar Cichlidae benthopelagic 45.7 TL 2.8 questionable
Astyanax maximus Acestrorhamphidae benthopelagic 25.0 TL 2.9 native
Astyanax myersi Acestrorhamphidae benthopelagic 2.9 native
Astyanax scintillans Acestrorhamphidae benthopelagic 3.0 SL 3.0 native
Astyanax siapae Acestrorhamphidae benthopelagic 9.4 SL 2.9 native
Aulixidens eugeniae Stevardiidae benthopelagic 4.3 SL 2.8 native
Austrofundulus transilis Rivulidae benthopelagic 10.0 TL 3.3 endemic
Avalithoxus jantjae Loricariidae demersal 3.8 SL 2.7 native
Axelrodia riesei Ruby tetra Acestrorhamphidae benthopelagic 2.1 SL 3.0 native
Baryancistrus beggini Blue panaque Loricariidae pelagic 8.1 SL 2.4 native
Batrochoglanis villosus Pseudopimelodidae demersal 14.8 TL 3.5 native
Belonion dibranchodon Belonidae benthopelagic 4.8 SL 3.4 native
Biotodoma wavrini Orinoco eartheater Cichlidae benthopelagic 10.0 SL 3.3 native
Biotoecus dicentrarchus Cichlidae benthopelagic 3.8 SL 3.1 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 magoi Heptapteridae demersal 8.3 SL 3.4 native
Brachyhypopomus beebei Hypopomidae benthopelagic 32.0 SL 3.2 native
Brachyhypopomus brevirostris Bluntnose knifefish Hypopomidae benthopelagic 34.7 TL 3.2 native
Brachyhypopomus bullocki Hypopomidae benthopelagic 22.1 TL 3.2 native
Brachyhypopomus diazae Hypopomidae benthopelagic 17.5 TL 3.1 native
Brachyhypopomus pinnicaudatus Hypopomidae benthopelagic 18.6 TL 3.1 native
Brachyhypopomus provenzanoi Hypopomidae benthopelagic 11.0 TL 3.1 native
Brachyhypopomus regani Hypopomidae benthopelagic 15.6 TL 3.1 native
Brachyplatystoma platynema Slobbering catfish Pimelodidae demersal 100.0 SL 4.5 native
Brachyplatystoma rousseauxii Zungaro dorado Pimelodidae demersal 192.0 TL 4.5 native
Brachyrhamdia imitator Heptapteridae demersal 5.4 SL 3.3 native
Brycon amazonicus Bryconidae benthopelagic 46.2 SL 3.0 native
Brycon bicolor Bryconidae benthopelagic 11.9 SL 2.8 native
Brycon coquenani Bryconidae benthopelagic 17.1 SL 2.8 native
Brycon falcatus Bryconidae benthopelagic 49.5 SL 2.7 native
Brycon pesu Mourning tetra Bryconidae benthopelagic 18.9 SL 2.8 native
Brycon whitei Bryconidae benthopelagic 38.0 SL 2.8 native
Bryconamericus cinarucoense Stevardiidae benthopelagic 3.7 SL 2.8 native
Bryconamericus cismontanus Stevardiidae benthopelagic 6.0 SL 2.7 native
Bryconamericus cristiani Stevardiidae benthopelagic 6.9 SL 2.6 native
Bryconamericus deuterodonoides Stevardiidae benthopelagic 5.0 TL 2.8 native
Bryconamericus macarenae Stevardiidae benthopelagic 4.7 SL 2.7 native
Bryconamericus orinocoensis Stevardiidae benthopelagic 2.9 SL 2.8 native
Bryconamericus singularis Stevardiidae benthopelagic 3.9 SL 2.8 native
Bryconops alburnoides Iguanodectidae benthopelagic 15.0 SL 3.2 native
Bryconops caudomaculatus Tailspot tetra Iguanodectidae benthopelagic 12.4 TL 4.2 native
Bryconops giacopinii Iguanodectidae benthopelagic 18.0 TL 3.2 native
Bryconops humeralis Iguanodectidae benthopelagic 8.6 SL 3.2 native
Bujurquina mariae Cichlidae benthopelagic 15.0 TL 3.5 native
Bunocephalus aleuropsis Aspredinidae demersal 9.1 SL 2.6 native
Caenotropus labyrinthicus Chilodontidae demersal 25.3 SL 2.8 native
Caenotropus mestomorgmatos Chilodontidae benthopelagic 19.2 TL 2.8 native
Callichthys serralabium Sawlipped catfish Callichthyidae demersal 15.8 SL 2.9 native
Calophysus macropterus Zamurito Pimelodidae demersal 40.0 TL 3.2 native
Carnegiella marthae Blackwing hatchetfish Gasteropelecidae pelagic 2.8 SL 3.2 native
Cathorops spixii Madamango sea catfish Ariidae demersal 30.0 TL 3.5 native
Catoprion mento Wimple piranha Serrasalmidae pelagic 15.0 SL 3.2 native
Centromochlus heckelii Auchenipteridae demersal 13.9 SL 3.4 native
Centromochlus musaicus Auchenipteridae benthopelagic 6.2 TL 3.2 native
Ceratobranchia joanae Stevardiidae pelagic 3.4 SL 2.8 native
Cetopsidium minutum Cetopsidae demersal 4.9 SL 3.4 native
Cetopsidium morenoi Cetopsidae demersal 4.3 SL 3.3 native
Cetopsidium pemon Cetopsidae demersal 4.3 SL 3.3 native
Cetopsis coecutiens Cetopsidae benthopelagic 27.3 TL 3.9 native
Cetopsis orinoco Cetopsidae demersal 9.4 SL 3.6 native
Cetopsis umbrosa Cetopsidae benthopelagic 5.4 SL 3.4 native
Cetopsorhamdia molinae Heptapteridae demersal 3.6 SL 3.2 native
Cetopsorhamdia orinoco Heptapteridae demersal 5.4 SL 3.3 native
Chaetobranchus flavescens Kunapari Cichlidae benthopelagic 26.0 TL 3.0 native
Chaetostoma formosae Loricariidae demersal 9.7 SL 2.3 native
Chaetostoma joropo Loricariidae demersal 2.2 native
Chaetostoma milesi Loricariidae demersal 14.6 SL 2.2 native
Chaetostoma vasquezi Loricariidae demersal 18.7 SL 2.1 native
Chalceus epakros Chalceidae benthopelagic 17.4 TL 3.0 native
Chalceus macrolepidotus Pinktail chalceus Chalceidae pelagic 25.0 SL 3.4 native
Characidium boavistae Crenuchidae benthopelagic 5.3 SL 3.4 native
Characidium chupa Crenuchidae benthopelagic 8.2 SL 3.6 native
Characidium declivirostre Crenuchidae benthopelagic 8.0 SL 3.6 native
Characidium steindachneri Crenuchidae benthopelagic 4.1 SL 3.3 native
Charax apurensis Characidae benthopelagic 11.8 SL 3.8 native
Charax metae Characidae benthopelagic 13.1 SL 3.8 native
Charax notulatus Characidae benthopelagic 6.3 SL 3.5 native
Chasmocranus chimantanus Heptapteridae demersal 8.9 SL 3.4 native
Chasmocranus longior Heptapteridae demersal 17.0 SL 3.5 native
Cheirodontops geayi Characidae benthopelagic 4.0 SL 2.5 native
Chilodus punctatus Spotted headstander Chilodontidae pelagic 18.0 TL 2.8 native
Chrysobrycon guahibo Stevardiidae benthopelagic 4.5 SL 3.0 endemic
Cichla intermedia Cichlidae benthopelagic 55.0 TL 4.2 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
Cichlasoma bimaculatum Black acara Cichlidae benthopelagic 30.0 TL 3.6 native
Cichlasoma orinocense Cichlidae benthopelagic 10.9 SL 3.0 native
Colomesus asellus Amazon puffer Tetraodontidae demersal 12.8 SL 3.3 native
Colossoma macropomum Cachama Serrasalmidae benthopelagic 108.0 TL 2.0 native
Compsaraia compsa Apteronotidae benthopelagic 33.9 TL 3.3 native
Copella compta Lebiasinidae benthopelagic 5.1 SL 3.4 native
Copella eigenmanni Lebiasinidae benthopelagic 3.6 SL 3.3 native
Copella metae Lebiasinidae benthopelagic 3.4 SL 3.3 native
Copella nattereri Spotted tetra Lebiasinidae benthopelagic 4.5 SL 3.4 native
Cordylancistrus torbesensis Loricariidae demersal 6.5 SL 2.5 native
Corydoras boehlkei Caura cory Callichthyidae demersal 2.6 SL 3.0 native
Corydoras brevirostris Spotted collar cory Callichthyidae benthopelagic 5.0 SL 3.0 native
Corydoras concolor Slate cory Callichthyidae demersal 5.4 SL 3.0 native
Corydoras delphax False blochi catfish Callichthyidae demersal 4.9 SL 3.0 native
Corydoras habrosus Salt and Pepper catfish Callichthyidae demersal 2.0 SL 3.0 native
Corydoras osteocarus Bonehead cory Callichthyidae demersal 4.0 SL 3.0 native
Corydoras septentrionalis Northern kongnose cory Callichthyidae demersal 4.9 SL 3.0 native
Creagrutus atratus Stevardiidae benthopelagic 7.0 SL 2.3 native
Creagrutus bolivari Stevardiidae benthopelagic 5.2 SL 2.5 native
Creagrutus gyrospilus Stevardiidae benthopelagic 6.2 SL 2.4 native
Creagrutus maculosus Stevardiidae benthopelagic 2.4 native
Creagrutus magoi Stevardiidae benthopelagic 6.5 SL 2.4 native
Creagrutus maxillaris Stevardiidae benthopelagic 7.2 SL 2.3 native
Creagrutus melasma Stevardiidae benthopelagic 4.5 SL 2.5 native
Creagrutus phasma Stevardiidae benthopelagic 6.6 SL 2.4 native
Creagrutus provenzanoi Stevardiidae benthopelagic 5.8 SL 2.4 native
Creagrutus taphorni Stevardiidae benthopelagic 7.4 SL 2.3 native
Creagrutus veruina Stevardiidae benthopelagic 4.5 SL 2.5 native
Creagrutus vexillapinnus Stevardiidae benthopelagic 5.0 SL 2.5 native
Creagrutus xiphos Stevardiidae benthopelagic 2.8 SL 2.8 native
Crenicichla geayi Halfbanded pike cichlid Cichlidae benthopelagic 18.4 SL 3.3 native
Crenicichla sveni Cichlidae benthopelagic 25.0 TL 3.3 native
Crenuchus spilurus Sailfin tetra Crenuchidae pelagic 5.7 TL 3.3 native
Ctenobrycon oliverai Acestrorhamphidae benthopelagic 2.7 native
Ctenobrycon spilurus Silver tetra Acestrorhamphidae pelagic 8.0 SL 3.1 native
Curimata cerasina Curimatidae benthopelagic 16.7 SL 2.1 native
Curimata cyprinoides Curimatidae benthopelagic 23.0 SL 2.4 native
Curimata incompta Curimatidae benthopelagic 16.7 SL 2.1 native
Curimata ocellata Curimatidae benthopelagic 22.5 SL 2.0 native
Curimata roseni Curimatidae benthopelagic 19.5 SL 2.0 native
Curimata vittata Curimatidae benthopelagic 19.6 SL 2.0 native
Curimatella dorsalis Curimatidae benthopelagic 14.9 TL 2.3 native
Curimatella immaculata Curimatidae benthopelagic 18.8 TL 2.3 native
Curimatopsis evelynae Spottail curimata Curimatidae benthopelagic 4.0 SL 2.6 native
Curimatopsis macrolepis Shinyscaled curimata Curimatidae benthopelagic 6.0 SL 2.5 native
Cyanogaster noctivaga Characidae benthopelagic 1.7 SL 3.0 native
Cynodon gibbus Cynodontidae pelagic 32.2 SL 4.5 native
Cynodon septenarius Cynodontidae pelagic 31.2 SL 4.1 native
Cynopotamus bipunctatus Characidae benthopelagic 17.5 SL 3.9 native
Cyphocharax festivus Curimatidae benthopelagic 16.7 TL 2.0 native
Cyphocharax meniscaprorus Curimatidae benthopelagic 5.7 SL 2.3 native
Cyphocharax multilineatus Curimatidae benthopelagic 10.9 SL 2.0 native
Cyphocharax oenas Curimatidae benthopelagic 4.8 SL 2.4 native
Dekeyseria niveata Loricariidae demersal 13.0 SL 2.2 native
Dekeyseria pulchra Loricariidae demersal 10.0 SL 2.0 native
Dentectus barbarmatus Loricariidae demersal 13.7 SL 2.5 native
Denticetopsis seducta Cetopsidae benthopelagic 5.1 SL 3.4 native
Dicrossus filamentosus Chessboard cichlid Cichlidae benthopelagic 3.8 SL 3.1 native
Distocyclus conirostris Sternopygidae benthopelagic 50.0 TL 3.2 native
Duopalatinus peruanus Pimelodidae demersal 15.0 SL 3.7 native
Eigenmannia sayona Sternopygidae benthopelagic 16.0 TL 3.1 native
Eigenmannia virescens Glass knifefish Sternopygidae benthopelagic 44.0 SL 3.2 native
Elachocharax pulcher Crenuchidae pelagic 2.2 SL 3.1 native
Electrophorus electricus Electric eel Gymnotidae benthopelagic 250.0 SL 3.9 native
Entomocorus gameroi Auchenipteridae demersal 7.0 SL 3.3 native
Epapterus blohmi Auchenipteridae demersal 8.5 SL 3.2 native
Ernstichthys anduzei Aspredinidae demersal 3.5 SL 3.1 native
Exallodontus aguanai Pimelodidae demersal 20.0 SL 3.8 native
Exastilithoxus fimbriatus Loricariidae demersal 6.0 SL 2.5 native
Farlowella colombiensis Loricariidae demersal 16.0 SL 2.5 native
Farlowella mariaelenae Loricariidae demersal 17.0 SL 2.5 native
Farlowella mitoupibo Loricariidae demersal 21.0 SL 2.4 native
Farlowella oxyrryncha Loricariidae demersal 23.0 SL 2.4 native
Farlowella venezuelensis Loricariidae demersal 19.8 SL 2.4 native
Farlowella vittata Loricariidae demersal 22.5 SL 2.4 native
Gelanoglanis nanonocticolus Auchenipteridae pelagic 2.2 SL 3.0 native
Gelanoglanis stroudi Auchenipteridae demersal 3.6 SL 3.1 native
Geophagus dicrozoster Cichlidae benthopelagic 2.3 native
Geophagus grammepareius Cichlidae benthopelagic 10.3 SL 2.5 native
Geophagus taeniopareius Cichlidae benthopelagic 14.3 SL 2.3 native
Gladioglanis machadoi Heptapteridae demersal 3.4 SL 3.5 native
Glanapteryx anguilla Trichomycteridae benthopelagic 6.1 TL 3.2 native
Gnathocharax steindachneri Acestrorhynchidae pelagic 5.0 SL 3.5 native
Gnathodolus bidens Anostomidae benthopelagic 2.4 native
Goeldiella eques Heptapteridae demersal 28.9 SL 3.7 native
Gymnocorymbus bondi Acestrorhamphidae demersal 5.0 SL 3.3 native
Gymnocorymbus thayeri False black tetra Acestrorhamphidae pelagic 7.4 SL 3.4 native
Gymnorhamphichthys bogardusae Rhamphichthyidae benthopelagic 3.2 native
Gymnorhamphichthys hypostomus Morse Knifefish Rhamphichthyidae benthopelagic 21.5 TL 3.2 native
Gymnorhamphichthys rondoni Mousetail knifefish Rhamphichthyidae benthopelagic 15.0 TL 3.1 native
Gymnotus anguillaris Gymnotidae benthopelagic 30.0 SL 3.3 native
Gymnotus cataniapo Gymnotidae benthopelagic 31.6 TL 3.3 native
Gymnotus coropinae Gymnotidae benthopelagic 34.5 SL 3.4 native
Harttia merevari Loricariidae demersal 2.5 native
Hassar orestis Doradidae demersal 29.8 TL 2.8 native
Helogenes castaneus Cetopsidae demersal 4.7 SL 3.3 native
Hemiancistrus guahiborum Loricariidae demersal 2.2 native
Hemibrycon guejarensis Stevardiidae benthopelagic 7.8 SL 3.0 native
Hemibrycon metae Stevardiidae benthopelagic 9.3 SL 3.0 native
Hemigrammus analis Acestrorhamphidae benthopelagic 3.9 TL 3.2 native
Hemigrammus barrigonae Acestrorhamphidae benthopelagic 4.1 SL 3.3 native
Hemigrammus elegans Acestrorhamphidae benthopelagic 4.0 SL 3.3 native
Hemigrammus lunatus Acestrorhamphidae benthopelagic 4.8 TL 3.3 native
Hemigrammus marginatus Acestrorhamphidae benthopelagic 4.5 SL 2.8 native
Hemigrammus micropterus Acestrorhamphidae benthopelagic 4.0 SL 3.3 native
Hemigrammus microstomus Acestrorhamphidae benthopelagic 4.0 SL 3.3 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 taphorni Acestrorhamphidae benthopelagic 4.2 SL 3.3 native
Hemigrammus unilineatus Featherfin tetra Acestrorhamphidae benthopelagic 5.3 TL 3.4 native
Hemiodus argenteus Hemiodontidae benthopelagic 23.7 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 semitaeniatus Halfline hemiodus Hemiodontidae benthopelagic 20.0 SL 2.7 native
Hemiodus thayeria Hemiodontidae benthopelagic 8.9 SL 2.8 native
Hemisorubim platyrhynchos Porthole shovelnose catfish Pimelodidae demersal 61.0 TL 4.5 native
Henonemus triacanthopomus Trichomycteridae benthopelagic 9.4 SL 2.1 native
Heros liberifer Cichlidae benthopelagic 16.4 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 native
Heterocharax virgulatus Acestrorhynchidae benthopelagic 4.1 SL 3.4 native
Hoplarchus psittacus Cichlidae benthopelagic 32.0 TL 3.7 native
Hoplerythrinus unitaeniatus Aimara Erythrinidae pelagic 28.5 SL 3.4 native
Hoplias aimara Erythrinidae benthopelagic 100.0 SL 3.7 native
Hoplias curupira Black wolf-fish Erythrinidae benthopelagic 29.9 SL 4.0 native
Hoplias macrophthalmus Giant trahira Erythrinidae benthopelagic 100.0 TL 4.3 native
Hoplomyzon sexpapilostoma Aspredinidae demersal 3.2 SL 3.0 native
Hoplosternum littorale Atipa Callichthyidae demersal 26.3 TL 2.9 native
Hydrolycus armatus Cynodontidae pelagic 89.0 TL 4.5 native
Hydrolycus tatauaia Cynodontidae pelagic 59.0 TL 4.3 native
Hydrolycus wallacei Cynodontidae pelagic 36.0 SL 4.2 native
Hypancistrus contradens Loricariidae demersal 2.4 native
Hypancistrus debilittera Loricariidae demersal 2.4 native
Hypancistrus furunculus Loricariidae demersal 2.4 native
Hypancistrus inspector Loricariidae benthopelagic 12.6 SL 2.0 native
Hypancistrus lunaorum Loricariidae demersal 2.4 native
Hyphessobrycon acaciae Acestrorhamphidae benthopelagic 2.9 SL 2.9 native
Hyphessobrycon albolineatus Acestrorhamphidae benthopelagic 2.6 SL 3.0 native
Hyphessobrycon diancistrus Acestrorhamphidae benthopelagic 3.7 SL 2.9 native
Hyphessobrycon fernandezi Acestrorhamphidae benthopelagic 3.7 SL 2.9 native
Hyphessobrycon heterorhabdus Flag tetra Acestrorhamphidae benthopelagic 3.6 TL 2.9 native
Hyphessobrycon klausanni Acestrorhamphidae pelagic 2.8 SL 2.9 native
Hyphessobrycon mavro Acestrorhamphidae benthopelagic 3.4 SL 2.9 native
Hyphessobrycon metae Acestrorhamphidae benthopelagic 4.0 SL 2.9 native
Hyphessobrycon niger Acestrorhamphidae benthopelagic 2.8 SL 2.9 native
Hyphessobrycon otrynus Acestrorhamphidae pelagic 3.4 SL 2.9 native
Hyphessobrycon rheophilus Acestrorhamphidae benthopelagic 4.2 SL 2.9 native
Hyphessobrycon saizi Acestrorhamphidae benthopelagic 2.3 SL 3.0 native
Hypoclinemus mentalis Achiridae demersal 21.6 SL 3.4 native
Hypophthalmus edentatus Highwaterman catfish Pimelodidae pelagic 57.5 TL 2.9 native
Hypophthalmus marginatus Pimelodidae demersal 56.0 TL 3.4 native
Hypoptopoma machadoi Loricariidae benthopelagic 7.0 TL 2.0 native
Hypopygus lepturus Hypopomidae benthopelagic 10.2 SL 3.1 native
Hypopygus minissimus Hypopomidae benthopelagic 6.2 TL 3.1 native
Hyporhamphus brederi Hemiramphidae pelagic 10.0 SL 3.0 native
Hypostomus hemicochliodon Loricariidae demersal 36.2 TL 2.0 native
Hypostomus sculpodon Loricariidae demersal 26.4 SL 2.0 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 spilurus Iguanodectidae benthopelagic 10.2 SL 3.3 native
Imparfinis nemacheir Heptapteridae demersal 9.9 SL 3.1 native
Imparfinis pristos Heptapteridae demersal 3.8 SL 3.1 native
Imparfinis pseudonemacheir Heptapteridae demersal 4.0 SL 3.1 native
Isorineloricaria acuarius Loricariidae demersal 20.8 SL 2.1 native
Ituglanis guayaberensis Trichomycteridae benthopelagic 5.7 NG 3.2 native
Jupiaba abramoides Acestrorhamphidae benthopelagic 12.0 SL 2.8 native
Jupiaba scologaster Acestrorhamphidae benthopelagic 3.7 SL 2.9 native
Knodus alpha Stevardiidae benthopelagic 7.6 TL 3.3 native
Knodus meridae Stevardiidae benthopelagic 4.5 SL 3.2 native
Laemolyta fernandezi Anostomidae benthopelagic 25.0 SL 2.2 native
Laemolyta orinocensis Anostomidae benthopelagic 16.6 SL 2.4 native
Laemolyta taeniata Anostomidae benthopelagic 28.8 SL 2.2 native
Laetacara fulvipinnis Cichlidae demersal 7.4 SL 3.2 native
Laimosemion altivelis Rivulidae benthopelagic 8.5 TL 3.5 endemic
Laimosemion corpulentus Rivulidae benthopelagic 4.4 SL 3.3 endemic
Laimosemion gransabanae Rivulidae benthopelagic 5.0 TL 3.3 native
Laimosemion nicoi Rivulidae benthopelagic 3.0 TL 3.1 native
Laimosemion tecminae Rivulidae benthopelagic 5.5 TL 3.3 native
Lamontichthys llanero Loricariidae demersal 20.2 SL 2.4 native
Lasiancistrus schomburgkii Loricariidae demersal 14.4 SL 2.2 native
Lasiancistrus tentaculatus Loricariidae demersal 14.8 SL 2.2 native
Lebiasina yepezi Lebiasinidae benthopelagic 15.3 SL 3.7 native
Leiarius marmoratus Pimelodidae demersal 100.0 TL 4.5 native
Leporacanthicus galaxias Loricariidae demersal 21.1 SL 2.1 native
Leporacanthicus triactis Loricariidae demersal 24.7 SL 2.0 native
Leporellus vittatus Yellow rabbit characin Anostomidae benthopelagic 30.4 SL 3.2 native
Leporinus altipinnis Anostomidae benthopelagic 20.0 SL 2.4 native
Leporinus arimaspi Anostomidae benthopelagic 19.0 SL 2.4 native
Leporinus brunneus Anostomidae benthopelagic 25.6 SL 2.3 native
Leporinus enyae Anostomidae benthopelagic 18.1 SL 2.4 native
Leporinus ortomaculatus Anostomidae benthopelagic 7.8 SL 2.6 native
Leporinus punctatus Anostomidae benthopelagic 2.4 native
Leporinus y-ophorus Anostomidae benthopelagic 2.4 native
Leptocharacidium omospilus Crenuchidae pelagic 7.0 SL 3.5 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 nelsoni Doradidae demersal 16.2 SL 2.8 native
Leptodoras praelongus Doradidae demersal 18.5 SL 2.8 native
Leptodoras rogersae Doradidae demersal 18.0 SL 2.8 native
Limatulichthys griseus Loricariidae demersal 23.7 TL 2.4 native
Limatulichthys nasarcus Loricariidae demersal 15.1 SL 2.5 native
Llanolebias stellifer Rivulidae benthopelagic 7.5 TL 3.3 endemic
Loricaria simillima Loricariidae demersal 26.4 SL 2.4 native
Loricariichthys brunneus Loricariidae demersal 31.5 TL 2.6 native
Lugubria johanna Cichlidae benthopelagic 28.3 SL 3.1 native
Lycengraulis batesii Bates' sabretooth anchovy Engraulidae pelagic 30.0 TL 3.8 native
Markiana geayi Stevardiidae benthopelagic 10.4 SL 3.0 native
Mastiglanis asopos Heptapteridae demersal 6.6 SL 3.3 native
Megalamphodus bentosi Ornate tetra Acestrorhamphidae benthopelagic 4.3 SL 3.2 native
Megalamphodus epicharis Acestrorhamphidae benthopelagic 3.3 SL 3.1 native
Megalamphodus sweglesi Red phantom tetra Acestrorhamphidae benthopelagic 3.2 SL 3.2 native
Megalechis thoracata Callichthyidae demersal 15.5 SL 2.9 native
Megalocentor echthrus Trichomycteridae benthopelagic 8.8 SL 2.2 native
Megalodoras guayoensis Doradidae demersal 53.0 SL 2.7 native
Megalonema orixanthum Pimelodidae demersal 11.6 SL 3.6 native
Megalonema platycephalum Pimelodidae demersal 30.0 TL 4.0 native
Melanocharacidium compressum Crenuchidae benthopelagic 3.1 SL 3.2 native
Melanocharacidium depressum Crenuchidae benthopelagic 3.4 TL 3.2 native
Melanocharacidium dispilomma Crenuchidae benthopelagic 5.0 TL 3.3 native
Melanocharacidium melanopteron Crenuchidae benthopelagic 7.2 SL 3.5 native
Melanocharacidium pectorale Crenuchidae benthopelagic 4.4 TL 3.3 native
Mesonauta egregius Cichlidae benthopelagic 8.2 SL 3.3 native
Mesonauta insignis Cichlidae benthopelagic 12.4 SL 3.4 native
Metynnis orinocensis Serrasalmidae pelagic 3.4 native
Microcharacidium gnomus Crenuchidae pelagic 2.2 SL 3.1 native
Microcharacidium weitzmani Crenuchidae pelagic 1.2 SL 2.9 native
Micromoema xiphophora Rivulidae benthopelagic 6.0 TL 3.2 native
Microphilypnus ternetzi 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
Microsternarchus bilineatus Hypopomidae benthopelagic 12.0 TL 3.1 native
Mikrogeophagus ramirezi Ram cichlid Cichlidae benthopelagic 3.4 SL 3.1 native
Moenkhausia copei Acestrorhamphidae benthopelagic 6.0 SL 3.3 native
Moenkhausia dichroura Bandtail tetra Acestrorhamphidae benthopelagic 10.0 SL 3.5 native
Moenkhausia hildae Acestrorhamphidae benthopelagic 7.1 SL 3.4 native
Moenkhausia intermedia Acestrorhamphidae benthopelagic 8.0 SL 2.7 native
Moenkhausia lepidura Acestrorhamphidae benthopelagic 10.5 TL 3.5 native
Moenkhausia metae Acestrorhamphidae benthopelagic 7.4 SL 3.4 native
Moenkhausia mikia Acestrorhamphidae demersal 7.8 SL 3.4 native
Moenkhausia schultzi Acestrorhamphidae benthopelagic 3.3 native
Mylesinus schomburgkii Serrasalmidae benthopelagic 2.0 native
Myleus setiger Longfinned disk pacu Serrasalmidae benthopelagic 28.7 SL 2.0 native
Myloplus lobatus Serrasalmidae benthopelagic 24.5 SL 2.0 native
Myloplus rubripinnis Redhook myleus Serrasalmidae benthopelagic 41.5 TL 2.0 native
Myloplus schomburgkii Disk tetra Serrasalmidae benthopelagic 42.0 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
Mylossoma duriventre Serrasalmidae benthopelagic 25.0 SL 2.8 native
Nannacara quadrispinae Cichlidae benthopelagic 3.1 native
Nannoptopoma spectabile Loricariidae demersal 2.9 SL 2.5 native
Nannostomus anduzei Lebiasinidae benthopelagic 1.6 SL 3.0 native
Nannostomus unifasciatus Oneline pencilfish Lebiasinidae benthopelagic 3.8 SL 3.3 native
Neblinichthys roraima Loricariidae demersal 5.1 SL 2.6 native
Nemadoras cristinae Doradidae demersal 12.4 SL 2.8 native
Nemuroglanis mariai Heptapteridae demersal 4.1 SL 3.2 native
Nemuroglanis pauciradiatus Heptapteridae demersal 3.3 SL 3.2 native
Notarius quadriscutis Bressou sea catfish Ariidae benthopelagic 50.0 TL 3.5 native
Ochmacanthus alternus Trichomycteridae benthopelagic 4.0 SL 2.0 native
Ochmacanthus orinoco Trichomycteridae benthopelagic 4.6 SL 2.5 native
Odontocharacidium varii Crenuchidae pelagic 2.0 TL 3.0 native
Odontostilbe pao Characidae benthopelagic 2.9 SL 2.7 native
Odontostilbe pulchra Characidae benthopelagic 3.7 SL 2.5 native
Odontostilbe splendida Characidae benthopelagic 4.2 SL 2.5 native
Orinocodoras eigenmanni Doradidae demersal 20.0 SL 2.8 native
Otocinclus huaorani Loricariidae demersal 3.2 SL 2.0 native
Otocinclus vittatus Loricariidae demersal 3.3 TL 2.1 native
Oxydoras sifontesi Doradidae demersal 76.0 TL 3.0 native
Oxyropsis acutirostris Loricariidae demersal 4.4 SL 2.1 native
Pachypops fourcroi Guyanan croaker Sciaenidae benthopelagic 25.0 TL 4.2 native
Pachyurus gabrielensis Sciaenidae pelagic 14.6 SL 3.4 native
Pachyurus schomburgkii Amazon croaker Sciaenidae benthopelagic 28.9 SL 3.6 native
Panaqolus maccus Clown panaque Loricariidae benthopelagic 8.8 SL 2.4 native
Panaque nigrolineatus Royal panaque Loricariidae benthopelagic 43.0 SL 2.0 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
Paratrygon aiereba Discus ray Potamotrygonidae demersal 80.0 WD 3.4 native
Paratrygon parvaspina Potamotrygonidae demersal 54.3 WD 3.2 native
Parodon apolinari Parodontidae benthopelagic 10.8 SL 2.5 native
Parodon guyanensis Parodontidae benthopelagic 12.0 TL 2.5 native
Parodon suborbitalis Parodontidae benthopelagic 12.1 SL 2.6 native
Parotocinclus britskii Loricariidae demersal 6.0 TL 2.0 native
Parotocinclus eppleyi Loricariidae demersal 3.0 SL 2.5 native
Peckoltia caenosa Loricariidae benthopelagic 15.7 SL 2.2 native
Peckoltia lujani Loricariidae demersal 7.5 SL 2.4 native
Peckoltia sabaji Loricariidae demersal 19.8 SL 2.1 native
Peckoltia vittata Loricariidae demersal 15.0 TL 2.0 native
Pellona flavipinnis Yellowfin river pellona Pristigasteridae pelagic 73.0 TL 4.5 native
Petitella rhodostoma Rummy-nose tetra Acestrorhamphidae benthopelagic 5.0 TL 3.1 native
Phenacogaster guayupe Characidae benthopelagic 3.8 SL 3.3 native
Phenacogaster prolata Characidae pelagic 5.0 SL 3.4 native
Phenacorhamdia anisura Heptapteridae demersal 4.0 SL 3.2 native
Phenacorhamdia macarenensis Heptapteridae demersal 4.3 SL 3.2 native
Phractocephalus hemioliopterus Redtail catfish Pimelodidae demersal 134.9 TL 4.2 native
Piaractus brachypomus Pirapitinga Serrasalmidae pelagic 88.0 TL 2.5 native
Piaractus orinoquensis Serrasalmidae pelagic 15.0 SL 2.5 native
Pimelodella cruxenti Heptapteridae demersal 11.1 SL 3.5 endemic
Pimelodella gracilis Graceful pimelodella Heptapteridae demersal 18.0 SL 3.2 native
Pimelodella linami Heptapteridae demersal 7.5 SL 3.4 endemic
Pimelodella longibarbata Heptapteridae demersal 3.5 native
Pimelodina flavipinnis Pimelodidae demersal 39.0 SL 3.2 native
Pimelodus albofasciatus Pimelodidae benthopelagic 29.5 SL 3.3 native
Pimelodus blochii Bloch's catfish Pimelodidae benthopelagic 35.0 TL 3.1 native
Pimelodus garciabarrigai Pimelodidae benthopelagic 3.3 native
Pimelodus ornatus Pimelodidae benthopelagic 38.5 SL 3.3 native
Pimelodus pictus Pictus cat Pimelodidae benthopelagic 11.0 TL 3.2 native
Pinirampus pirinampu Flatwhiskered catfish Pimelodidae demersal 120.0 TL 4.5 native
Plagioscion auratus Black curbinata Sciaenidae benthopelagic 34.6 SL 3.5 native
Plagioscion casattii Sciaenidae benthopelagic 33.0 SL 3.8 native
Plagioscion squamosissimus South American silver croaker Sciaenidae benthopelagic 80.0 TL 4.3 native
Platydoras costatus Raphael catfish Doradidae demersal 24.0 SL 3.0 native
Platynematichthys notatus Coroatá Pimelodidae demersal 80.0 SL 4.3 native
Platysilurus mucosus Pimelodidae demersal 20.0 SL 3.8 native
Poecilocharax weitzmani Black morpho tetra Crenuchidae benthopelagic 4.0 TL 3.2 native
Poptella longipinnis Acestrorhamphidae benthopelagic 6.9 SL 3.1 native
Potamorhina altamazonica Curimatidae benthopelagic 27.0 SL 2.0 native
Potamorrhaphis guianensis Belonidae pelagic 29.1 TL 3.9 native
Potamorrhaphis petersi Belonidae pelagic 24.6 SL 3.9 native
Potamotrygon motoro South American freshwater stingray Potamotrygonidae benthopelagic 50.0 WD 3.2 native
Potamotrygon orbignyi Smooth back river stingray Potamotrygonidae benthopelagic 35.0 WD 3.2 native
Potamotrygon schroederi Rosette river stingray Potamotrygonidae benthopelagic 60.0 WD 3.2 native
Priocharax ariel Acestrorhamphidae benthopelagic 1.5 SL 3.0 native
Pristella ariporo Acestrorhamphidae demersal 3.0 SL 3.2 native
Pristella maxillaris X-ray tetra Acestrorhamphidae pelagic 4.5 TL 3.2 native
Pristipomoides macrophthalmus Cardinal snapper Lutjanidae benthopelagic 50.0 TL 3.9 native
Pristobrycon calmoni Serrasalmidae benthopelagic 15.0 TL 4.0 native
Pristobrycon careospinus Serrasalmidae benthopelagic 11.1 SL 3.0 native
Pristobrycon striolatus Serrasalmidae benthopelagic 20.1 TL 2.0 native
Prochilodus mariae Prochilodontidae benthopelagic 40.6 SL 2.1 native
Psectrogaster ciliata Curimatidae benthopelagic 12.9 SL 2.0 native
Pseudancistrus orinoco Loricariidae demersal 10.0 TL 2.4 native
Pseudanos gracilis Anostomidae benthopelagic 18.1 SL 2.4 native
Pseudanos irinae Anostomidae benthopelagic 12.0 SL 2.5 native
Pseudanos varii Anostomidae benthopelagic 21.0 SL 2.4 native
Pseudanos winterbottomi Anostomidae benthopelagic 15.2 SL 2.5 native
Pseudohemiodon unillano Loricariidae demersal 20.1 SL 2.4 native
Pseudolithoxus anthrax Loricariidae demersal 12.4 SL 2.3 native
Pseudolithoxus dumus Loricariidae demersal 10.1 SL 2.3 native
Pseudolithoxus tigris Loricariidae demersal 9.4 SL 2.4 native
Pseudoplatystoma fasciatum Barred sorubim Pimelodidae demersal 104.5 SL 4.4 native
Pseudoplatystoma metaense Pimelodidae demersal 55.9 SL 4.2 native
Pseudoplatystoma orinocoense Pimelodidae demersal 52.4 SL 4.2 native
Pseudostegophilus haemomyzon Trichomycteridae demersal 5.7 SL 2.4 native
Pseudotylosurus microps Belonidae pelagic 44.0 TL 4.1 native
Pterobunocephalus depressus Aspredinidae demersal 8.9 SL 3.1 native
Pterodoras rivasi Doradidae demersal 55.0 SL 2.7 native
Pterolebias hoignei Rivulidae benthopelagic 10.0 TL 3.3 native
Pterophyllum altum Cichlidae benthopelagic 18.0 TL 3.3 native
Pterygoplichthys gibbiceps Leopard pleco Loricariidae demersal 50.0 TL 2.0 native
Pygidianops cuao Trichomycteridae demersal 2.4 SL 3.0 native
Pygidianops magoi Trichomycteridae demersal 2.0 SL 3.0 native
Pygocentrus cariba Black spot piranha Serrasalmidae pelagic 27.9 TL 3.6 native
Pygocentrus palometa Serrasalmidae pelagic 3.7 native
Pygopristis denticulata Lobetoothed piranha Serrasalmidae benthopelagic 21.5 TL 3.5 native
Pyrrhulina filamentosa Lebiasinidae benthopelagic 11.1 SL 3.4 native
Racenisia fimbriipinna Hypopomidae benthopelagic 11.7 TL 3.1 native
Rachovia maculipinnis Rivulidae benthopelagic 6.0 TL 3.2 native
Ramirezella newboldi Acestrorhamphidae benthopelagic 5.0 SL 3.1 native
Renova oscari Rivulidae demersal 4.7 SL 3.2 endemic
Rhabdolichops caviceps Sternopygidae benthopelagic 31.0 TL 3.0 native
Rhabdolichops eastwardi Sternopygidae benthopelagic 27.6 TL 3.2 native
Rhabdolichops electrogrammus Sternopygidae benthopelagic 29.2 TL 3.2 native
Rhabdolichops stewarti Sternopygidae benthopelagic 20.7 TL 3.2 native
Rhabdolichops zareti Sternopygidae benthopelagic 22.5 TL 3.2 native
Rhadinoloricaria laani Loricariidae demersal 13.0 SL 2.5 native
Rhadinoloricaria listrorhinos Loricariidae demersal 13.6 SL 2.5 native
Rhamdia laukidi Heptapteridae benthopelagic 33.0 SL 3.7 native
Rhamdia muelleri Heptapteridae benthopelagic 20.8 SL 3.6 native
Rhamphichthys apurensis Longnose knifefish Rhamphichthyidae benthopelagic 3.2 native
Rhamphichthys drepanium Bow knifefish Rhamphichthyidae benthopelagic 45.0 SL 3.2 native
Rhaphiodon vulpinus Biara Cynodontidae pelagic 80.0 SL 4.5 native
Rhinodoras gallagheri Doradidae demersal 15.0 SL 2.8 native
Rhinosardinia amazonica Amazon spinejaw sprat Dorosomatidae pelagic 11.0 TL 3.4 native
Rhinotocinclus discolor Loricariidae demersal 2.5 SL 2.6 native
Rhyacoglanis annulatus Pseudopimelodidae demersal 4.3 SL 3.3 native
Rhynchodoras castilloi Doradidae demersal 8.0 SL 2.9 native
Rineloricaria formosa Loricariidae demersal 15.2 SL 2.5 native
Roeboides araguaito Characidae benthopelagic 11.1 SL 3.8 native
Roeboides dayi Characidae benthopelagic 12.7 SL 3.5 native
Roeboides dientonito Characidae benthopelagic 6.8 SL 3.6 native
Roeboides myersii Characidae benthopelagic 22.0 TL 4.2 native
Roeboides numerosus Characidae benthopelagic 6.1 SL 3.5 native
Salminus hilarii Bryconidae benthopelagic 50.0 SL 2.7 native
Satanoperca daemon Threespot eartheater Cichlidae benthopelagic 17.0 SL 3.1 native
Satanoperca mapiritensis Cichlidae benthopelagic 14.0 SL 3.1 native
Schizodon scotorhabdotus Anostomidae benthopelagic 27.1 SL 2.5 native
Schultzichthys bondi Trichomycteridae benthopelagic 3.7 SL 2.6 native
Schultzichthys gracilis Trichomycteridae benthopelagic 2.6 SL 2.8 native
Scorpiodoras heckelii Doradidae demersal 16.1 SL 2.3 native
Semaprochilodus kneri Prochilodontidae benthopelagic 28.0 SL 2.0 native
Semaprochilodus laticeps Prochilodontidae benthopelagic 44.0 SL 2.0 native
Serrasalmus altuvei Serrasalmidae benthopelagic 17.3 SL 3.5 native
Serrasalmus elongatus Slender piranha Serrasalmidae benthopelagic 30.0 TL 3.4 native
Serrasalmus gouldingi Serrasalmidae benthopelagic 27.9 SL 3.6 native
Serrasalmus irritans Serrasalmidae benthopelagic 13.8 SL 3.5 native
Serrasalmus medinai Serrasalmidae benthopelagic 14.8 SL 3.3 native
Serrasalmus nalseni Serrasalmidae benthopelagic 12.6 SL 3.4 native
Serrasalmus rhombeus Redeye piranha Serrasalmidae benthopelagic 41.5 SL 4.0 native
Sorubim elongatus Slender shovelnose catfish Pimelodidae demersal 32.2 SL 4.0 native
Sorubim lima Duckbill catfish Pimelodidae demersal 54.2 TL 4.1 native
Steatogenys duidae Hypopomidae benthopelagic 20.9 TL 3.2 native
Stegophilus septentrionalis Trichomycteridae demersal 4.4 SL 2.5 native
Steindachnerina argentea Stout sardine Curimatidae benthopelagic 9.3 SL 2.2 native
Steindachnerina bimaculata Curimatidae benthopelagic 17.3 SL 2.0 native
Steindachnerina guentheri Curimatidae benthopelagic 11.1 SL 2.1 native
Steindachnerina pupula Curimatidae benthopelagic 16.8 TL 2.0 native
Sternarchella orinoco Apteronotidae benthopelagic 22.0 TL 3.3 native
Sternarchella orthos Apteronotidae benthopelagic 30.0 TL 3.3 native
Sternarchella sima Apteronotidae benthopelagic 40.0 TL 3.3 native
Sternarchogiton porcinum Apteronotidae benthopelagic 30.0 TL 3.3 native
Sternarchogiton preto Apteronotidae pelagic 21.7 SL 3.3 native
Sternarchorhynchus mormyrus Mormyrus tube-snouted ghost knifefish Apteronotidae benthopelagic 54.0 TL 3.4 native
Sternarchorhynchus roseni Rosen's tube-snouted ghost knifefish Apteronotidae benthopelagic 41.7 TL 3.3 native
Sternopygus astrabes Sternopygidae benthopelagic 23.3 TL 3.1 native
Sternopygus macrurus Longtail knifefish Sternopygidae benthopelagic 140.5 TL 3.2 native
Stictorhinus potamius Ophichthidae demersal 34.5 TL 3.7 native
Synaptolaemus cingulatus Anostomidae benthopelagic 8.4 NG 2.6 native
Synaptolaemus latofasciatus Anostomidae pelagic 9.4 SL 2.6 native
Tatia galaxias Auchenipteridae benthopelagic 12.6 SL 3.4 native
Tatia marthae Auchenipteridae demersal 2.3 SL 3.1 native
Tatia strigata Auchenipteridae benthopelagic 11.7 SL 3.2 native
Tenellus leporhinus Doradidae demersal 17.3 SL 2.8 native
Tenellus trimaculatus Doradidae demersal 11.4 SL 2.8 native
Terranatos dolichopterus Saberfin killie Rivulidae demersal 4.0 TL 3.1 endemic
Tetragonopterus argenteus Characidae pelagic 11.2 SL 3.6 native
Tetragonopterus chalceus Characidae pelagic 12.7 TL 3.5 native
Tetranematichthys quadrifilis Auchenipteridae demersal 16.0 SL 3.4 native
Tetranematichthys wallacei Auchenipteridae demersal 20.6 SL 3.4 native
Thoracocharax stellatus Spotfin hatchetfish Gasteropelecidae pelagic 6.7 SL 3.5 native
Tometes makue Serrasalmidae pelagic 37.9 SL 2.0 native
Trachelyopterichthys anduzei Auchenipteridae demersal 14.0 SL 3.4 native
Trachelyopterus galeatus Auchenipteridae demersal 30.0 TL 3.1 native
Trachycorystes trachycorystes Black catfish Auchenipteridae demersal 35.0 SL 3.5 native
Trachydoras gepharti Doradidae demersal 7.1 SL 2.9 native
Trachydoras microstomus Doradidae demersal 5.9 SL 2.9 native
Trichomycterus celsae Trichomycteridae demersal 3.2 native
Trichomycterus lewi Trichomycteridae demersal 3.2 native
Trichomycterus migrans Trichomycteridae benthopelagic 4.2 NG 3.2 native
Trichopodus pectoralis Snakeskin gourami Osphronemidae benthopelagic 25.0 TL 2.8 introduced
Tridensimilis venezuelae Trichomycteridae demersal 2.5 TL 3.0 native
Triportheus elongatus Elongate hatchetfish Triportheidae benthopelagic 24.2 SL 2.9 native
Triportheus orinocensis Triportheidae benthopelagic 13.5 SL 2.8 native
Triportheus venezuelensis Triportheidae benthopelagic 11.9 SL 2.8 native
Typhlobelus lundbergi Trichomycteridae demersal 3.0 SL 3.1 native
Tyttocharax metae Stevardiidae demersal 1.9 SL 3.0 native
Uaru fernandezyepezi Cichlidae benthopelagic 19.0 SL 3.3 native
Utiaritichthys sennaebragai Serrasalmidae benthopelagic 32.2 SL 2.0 native
Vandellia beccarii Trichomycteridae demersal 5.9 NG 4.5 native
Vandellia sanguinea Trichomycteridae demersal 8.4 SL 4.2 native
Xenagoniates bondi Characidae demersal 6.0 SL 3.4 native
Xyliphius lepturus Aspredinidae demersal 13.2 SL 3.2 native
Xyliphius melanopterus Aspredinidae demersal 14.7 SL 3.2 native
Zungaro zungaro Gilded catfish Pimelodidae demersal 140.0 SL 4.5 native
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