Species in Orinoco
     n= 599 (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 2.4 TL 3.0 native
Acaronia vultuosa Cichlidae benthopelagic 14.9 TL 4.2 native
Acestridium colombiense Loricariidae demersal 6.0 TL 2.0 native
Acestridium dichromum Loricariidae benthopelagic 7.7 TL 2.0 native
Acestridium martini Loricariidae benthopelagic 8.2 TL 2.0 native
Acestrocephalus sardina Characidae benthopelagic 16.5 TL 3.9 native
Acestrorhynchus falcatus Acestrorhynchidae benthopelagic 30.0 TL 4.2 native
Acestrorhynchus falcirostris Acestrorhynchidae benthopelagic 54.9 TL 3.8 native
Acestrorhynchus grandoculis Acestrorhynchidae benthopelagic 13.2 TL 3.8 native
Acestrorhynchus heterolepis Acestrorhynchidae benthopelagic 49.8 TL 4.2 native
Acestrorhynchus microlepis Pike characin Acestrorhynchidae benthopelagic 37.0 TL 4.3 native
Acestrorhynchus minimus Acestrorhynchidae benthopelagic 7.7 TL 3.6 native
Acestrorhynchus nasutus Acestrorhynchidae benthopelagic 8.4 TL 3.6 native
Achirus novoae Achiridae demersal 24.8 TL 3.4 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 12.4 TL 3.2 native
Aequidens diadema Cichlidae benthopelagic 14.4 TL 3.2 native
Aequidens metae Yellow acara Cichlidae benthopelagic 15.3 TL 3.2 endemic
Aequidens tetramerus Saddle cichlid Cichlidae benthopelagic 19.8 TL 3.2 native
Agamyxis albomaculatus Spiny cat-fish Doradidae demersal 18.3 TL 2.8 native
Ageneiosus magoi Auchenipteridae pelagic 22.1 TL 3.6 native
Ageneiosus ucayalensis Auchenipteridae pelagic 42.9 TL 3.7 native
Ageneiosus vittatus Auchenipteridae pelagic 26.8 TL 3.7 native
Amblydoras bolivarensis Doradidae demersal 12.4 TL 2.8 native
Amblydoras gonzalezi Doradidae demersal 12.0 TL 2.8 native
Ammocryptocharax elegans Crenuchidae benthopelagic 4.0 TL 3.2 native
Ammocryptocharax minutus Crenuchidae benthopelagic 2.4 TL 3.1 native
Ammocryptocharax vintonae Crenuchidae benthopelagic 11.0 TL 3.6 native
Anablepsoides deltaphilus Rivulidae benthopelagic 6.0 TL 3.2 endemic
Anablepsoides tessellatus Rivulidae benthopelagic 4.5 TL 3.1 endemic
Anchoviella guianensis Guyana anchovy Engraulidae pelagic 11.3 TL 3.4 native
Anchoviella jamesi James's anchovy Engraulidae pelagic 6.1 TL 3.2 native
Anchoviella manamensis Manamo anchovy Engraulidae pelagic 3.0 TL 3.1 native
Anchoviella perezi Engraulidae pelagic 4.4 TL 3.1 native
Ancistrus gymnorhynchus Loricariidae demersal 17.3 TL 2.0 native
Ancistrus macrophthalmus Loricariidae demersal 9.6 TL 2.3 native
Ancistrus triradiatus Loricariidae demersal 11.2 TL 2.2 native
Andinoacara pulcher Blue acara Cichlidae benthopelagic 16.0 TL 3.3 native
Anduzedoras oxyrhynchus Doradidae demersal 39.4 TL 2.7 native
Anodus orinocensis Hemiodontidae pelagic 33.5 TL 2.8 native
Anostomoides atrianalis Anostomidae benthopelagic 37.0 TL 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 11.2 TL 2.4 native
Apareiodon orinocensis Parodontidae benthopelagic 16.1 TL 2.2 native
Aphyocharax colifax Characidae benthopelagic 5.8 TL 3.1 native
Apionichthys dumerili Longtail sole Achiridae demersal 13.1 TL 3.3 native
Apionichthys menezesi Achiridae demersal 7.3 TL 3.2 native
Apionichthys sauli Achiridae demersal 8.5 TL 3.2 native
Apistogramma alacrina Cichlidae benthopelagic 6.7 TL 3.4 native
Apistogramma caudomaculata Cichlidae benthopelagic 5.3 TL 3.3 native
Apistogramma flabellicauda Cichlidae pelagic 5.3 TL 3.3 native
Apistogramma helkeri Cichlidae benthopelagic 4.9 TL 3.3 native
Apistogramma hoignei Cichlidae benthopelagic 7.3 TL 3.4 native
Apistogramma hongsloi Cichlidae benthopelagic 5.3 TL 3.3 native
Apistogramma iniridae Cichlidae benthopelagic 5.3 TL 3.3 native
Apistogramma inornata Cichlidae benthopelagic 5.3 TL 3.3 native
Apistogramma intermedia Cichlidae pelagic 5.3 TL 3.3 native
Apistogramma macmasteri Cichlidae benthopelagic 6.7 TL 3.4 native
Apistogramma megaptera Cichlidae benthopelagic 7.2 TL 3.4 native
Apistogramma minima Cichlidae pelagic 5.3 TL 3.3 native
Apistogramma nororientalis Cichlidae pelagic 5.3 TL 3.3 native
Apistogramma pedunculata Cichlidae pelagic 5.3 TL 3.3 native
Apistogramma piaroa Cichlidae pelagic 5.3 TL 3.3 native
Apistogramma velifera Cichlidae benthopelagic 5.3 TL 3.3 native
Apistogramma viejita Cichlidae benthopelagic 5.3 TL 3.3 native
Apistoloricaria laani Loricariidae demersal 15.9 TL 2.5 native
Apistoloricaria listrorhinos Loricariidae demersal 16.6 TL 2.5 native
Apteronotus leptorhynchus Apteronotidae benthopelagic 26.9 TL 3.3 native
Apteronotus magoi Apteronotidae benthopelagic 34.0 TL 3.3 native
Argonectes longiceps Hemiodontidae benthopelagic 29.9 TL 2.8 native
Argonectes robertsi Hemiodontidae benthopelagic 35.5 TL 2.8 native
Aspistor quadriscutis Bressou sea catfish Ariidae benthopelagic 50.0 TL 3.5 native
Aspredo aspredo Banjo Aspredinidae demersal 46.7 TL 3.3 native
Asterophysus batrachus Auchenipteridae demersal 30.5 TL 3.5 native
Astroblepus marmoratus Astroblepidae benthopelagic 8.5 TL 3.2 native
Astroblepus micrescens Astroblepidae demersal 11.0 TL 3.3 native
Astronotus ocellatus Oscar Cichlidae benthopelagic 45.7 TL 2.8 questionable
Astyanax maximus Characidae benthopelagic 25.0 TL 2.8 native
Astyanax myersi Characidae benthopelagic 10.8 TL 2.8 native
Astyanax scintillans Characidae benthopelagic 3.7 TL 3.0 native
Astyanax siapae Characidae benthopelagic 11.5 TL 2.8 native
Aulixidens eugeniae Characidae benthopelagic 5.3 TL 3.0 native
Austrofundulus transilis Rivulidae benthopelagic 10.0 TL 3.3 endemic
Axelrodia riesei Ruby tetra Characidae benthopelagic 2.6 TL 3.0 native
Baryancistrus beggini Blue panaque Loricariidae pelagic 9.9 TL 2.3 native
Batrochoglanis villosus Pseudopimelodidae demersal 14.8 TL 3.5 native
Belonion dibranchodon Belonidae benthopelagic 5.9 TL 3.4 native
Biotodoma wavrini Orinoco eartheater Cichlidae benthopelagic 12.2 TL 3.3 native
Biotoecus dicentrarchus Cichlidae benthopelagic 4.6 TL 3.1 native
Bivibranchia fowleri Hemiodontidae benthopelagic 19.2 TL 2.9 native
Boulengerella cuvieri Ctenoluciidae pelagic 97.7 TL 4.5 native
Boulengerella lateristriga Striped pike-characin Ctenoluciidae pelagic 31.5 TL 4.2 native
Boulengerella lucius Golden pike-characin Ctenoluciidae pelagic 51.2 TL 4.5 native
Boulengerella maculata Spotted pike-characin Ctenoluciidae pelagic 38.9 TL 4.2 native
Boulengerella xyrekes Ctenoluciidae pelagic 46.6 TL 4.5 native
Brachyglanis frenatus Heptapteridae demersal 12.1 TL 3.5 native
Brachyglanis magoi Heptapteridae demersal 10.1 TL 3.4 native
Brachyhypopomus beebei Hypopomidae benthopelagic 39.0 TL 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 diazi 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 platynemum Slobbering catfish Pimelodidae demersal 122.0 TL 4.5 native
Brachyplatystoma rousseauxii Pimelodidae demersal 192.0 TL 4.5 native
Brachyrhamdia imitator Heptapteridae demersal 6.6 TL 3.3 native
Brycon amazonicus Bryconidae benthopelagic 56.4 TL 3.0 native
Brycon bicolor Bryconidae benthopelagic 14.5 TL 2.8 native
Brycon coquenani Bryconidae benthopelagic 20.8 TL 2.8 native
Brycon falcatus Bryconidae benthopelagic 37.0 TL 2.7 native
Brycon pesu Mourning tetra Bryconidae benthopelagic 14.6 TL 2.8 native
Brycon whitei Bryconidae benthopelagic 46.4 TL 2.7 native
Bryconamericus alpha Characidae benthopelagic 7.6 TL 3.3 native
Bryconamericus cinarucoense Characidae benthopelagic 4.6 TL 2.8 native
Bryconamericus cismontanus Characidae benthopelagic 7.3 TL 2.7 native
Bryconamericus cristiani Characidae benthopelagic 8.4 TL 2.6 native
Bryconamericus deuterodonoides Characidae benthopelagic 5.0 TL 2.8 native
Bryconamericus macarenae Characidae benthopelagic 5.8 TL 2.7 native
Bryconamericus orinocoense Characidae benthopelagic 3.6 TL 2.8 native
Bryconamericus singularis Characidae benthopelagic 4.7 TL 2.8 native
Bryconops alburnoides Iguanodectidae benthopelagic 18.3 TL 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 10.5 TL 3.2 native
Bujurquina mariae Cichlidae benthopelagic 15.0 TL 3.5 native
Bunocephalus aleuropsis Aspredinidae demersal 11.1 TL 2.6 native
Caenotropus labyrinthicus Chilodontidae demersal 18.6 TL 2.8 native
Caenotropus mestomorgmatos Chilodontidae benthopelagic 19.9 TL 2.8 native
Callichthys serralabium Callichthyidae demersal 19.3 TL 2.9 native
Calophysus macropterus Zamurito Pimelodidae demersal 40.0 TL 3.2 native
Carnegiella marthae Blackwing hatchetfish Gasteropelecidae pelagic 3.4 TL 3.2 native
Cathorops spixii Madamango sea catfish Ariidae demersal 30.0 TL 3.5 native
Catoprion mento Wimple piranha Serrasalmidae pelagic 18.3 TL 3.2 native
Centromochlus heckelii Auchenipteridae demersal 17.0 TL 3.4 native
Ceratobranchia joanae Characidae pelagic 4.2 TL 3.0 native
Cetopsidium minutum Cetopsidae demersal 6.0 TL 3.4 native
Cetopsidium morenoi Cetopsidae demersal 5.3 TL 3.3 native
Cetopsidium pemon Cetopsidae demersal 5.2 TL 3.3 native
Cetopsis coecutiens Cetopsidae benthopelagic 27.3 TL 3.9 native
Cetopsis orinoco Cetopsidae demersal 11.5 TL 3.6 native
Cetopsis umbrosa Cetopsidae benthopelagic 6.6 TL 3.4 native
Cetopsorhamdia molinae Heptapteridae demersal 4.4 TL 3.2 native
Cetopsorhamdia orinoco Heptapteridae demersal 6.6 TL 3.3 native
Chaetobranchus flavescens Cichlidae benthopelagic 26.0 TL 3.0 native
Chaetostoma formosae Loricariidae demersal 11.9 TL 2.2 native
Chaetostoma milesi Loricariidae demersal 15.9 TL 2.0 native
Chaetostoma vasquezi Loricariidae demersal 22.8 TL 2.0 native
Chalceus epakros Chalceidae benthopelagic 17.4 TL 3.2 native
Chalceus macrolepidotus Pinktail chalceus Chalceidae pelagic 29.8 TL 3.4 native
Characidium boavistae Crenuchidae benthopelagic 6.4 TL 3.4 native
Characidium chupa Crenuchidae benthopelagic 9.7 TL 3.5 native
Characidium declivirostre Crenuchidae benthopelagic 9.7 TL 3.6 native
Characidium steindachneri Crenuchidae benthopelagic 5.0 TL 3.3 native
Charax apurensis Characidae benthopelagic 14.4 TL 3.8 native
Charax metae Characidae benthopelagic 13.4 TL 3.7 native
Charax notulatus Characidae benthopelagic 7.7 TL 3.5 native
Chasmocranus chimantanus Heptapteridae demersal 10.9 TL 3.4 native
Chasmocranus longior Heptapteridae demersal 20.7 TL 3.6 native
Cheirodontops geayi Characidae benthopelagic 4.9 TL 2.5 native
Chilodus punctatus Spotted headstander Chilodontidae pelagic 18.0 TL 2.8 native
Chrysobrycon guahibo Characidae benthopelagic 5.4 TL 3.0 endemic
Cichla intermedia Cichlidae benthopelagic 55.0 TL 4.2 native
Cichla nigromaculata Cichlidae benthopelagic 32.0 TL 4.1 native
Cichla orinocensis Cichlidae benthopelagic 75.3 TL 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 13.3 TL 3.3 native
Colomesus asellus Amazon puffer Tetraodontidae demersal 15.6 TL 3.3 native
Colossoma macropomum Cachama Serrasalmidae benthopelagic 108.0 TL 2.0 native
Compsaraia compsus Apteronotidae benthopelagic 33.9 TL 3.3 native
Copella compta Lebiasinidae benthopelagic 6.2 TL 3.5 native
Copella eigenmanni Lebiasinidae benthopelagic 4.4 TL 3.3 native
Copella metae Lebiasinidae benthopelagic 4.2 TL 3.3 native
Copella nattereri Spotted tetra Lebiasinidae benthopelagic 5.5 TL 3.4 native
Cordylancistrus torbesensis Loricariidae demersal 7.9 TL 2.4 native
Corydoras boehlkei Callichthyidae demersal 3.1 TL 3.0 native
Corydoras brevirostris Callichthyidae benthopelagic 6.1 TL 3.0 native
Corydoras concolor Callichthyidae demersal 6.6 TL 3.0 native
Corydoras delphax False blochi catfish Callichthyidae demersal 6.0 TL 3.0 native
Corydoras habrosus Salt and Pepper catfish Callichthyidae demersal 2.4 TL 3.0 native
Corydoras osteocarus Callichthyidae demersal 4.9 TL 3.0 native
Corydoras septentrionalis Callichthyidae demersal 6.0 TL 3.0 native
Creagrutus atratus Characidae benthopelagic 8.6 TL 2.3 native
Creagrutus bolivari Characidae benthopelagic 6.3 TL 2.5 native
Creagrutus gyrospilus Characidae benthopelagic 7.6 TL 2.4 native
Creagrutus maculosus Characidae benthopelagic 7.8 TL 2.4 native
Creagrutus magoi Characidae benthopelagic 7.9 TL 2.4 native
Creagrutus maxillaris Characidae benthopelagic 8.8 TL 2.3 native
Creagrutus melasma Characidae benthopelagic 4.9 TL 2.6 native
Creagrutus phasma Characidae benthopelagic 8.1 TL 2.4 native
Creagrutus provenzanoi Characidae benthopelagic 7.0 TL 2.4 native
Creagrutus taphorni Characidae benthopelagic 9.0 TL 2.3 native
Creagrutus veruina Characidae benthopelagic 5.4 TL 2.5 native
Creagrutus vexillapinnus Characidae benthopelagic 6.2 TL 2.5 native
Creagrutus xiphos Characidae benthopelagic 3.4 TL 2.8 native
Crenicichla geayi Halfbanded pike cichlid Cichlidae benthopelagic 15.9 TL 3.2 native
Crenicichla johanna Cichlidae benthopelagic 34.5 TL 3.1 native
Crenicichla sveni Cichlidae benthopelagic 25.0 TL 3.2 native
Crenuchus spilurus Sailfin tetra Crenuchidae pelagic 5.7 TL 3.3 native
Ctenobrycon oliverai Characidae benthopelagic 10.2 TL 2.8 native
Ctenobrycon spilurus Silver tetra Characidae pelagic 9.8 TL 3.1 native
Curimata cerasina Curimatidae benthopelagic 20.4 TL 2.0 native
Curimata cyprinoides Curimatidae benthopelagic 28.1 TL 2.4 native
Curimata incompta Curimatidae benthopelagic 20.4 TL 2.0 native
Curimata ocellata Curimatidae benthopelagic 27.5 TL 2.0 native
Curimata roseni Curimatidae benthopelagic 23.8 TL 2.0 native
Curimata vittata Curimatidae benthopelagic 23.9 TL 2.0 native
Curimatella dorsalis Curimatidae benthopelagic 14.9 TL 2.2 native
Curimatella immaculata Curimatidae benthopelagic 18.8 TL 2.3 native
Curimatopsis evelynae Spottail curimata Curimatidae benthopelagic 4.9 TL 2.6 native
Curimatopsis macrolepis Shinyscaled curimata Curimatidae benthopelagic 7.3 TL 2.5 native
Cynodon gibbus Cynodontidae pelagic 39.3 TL 4.5 native
Cynodon septenarius Cynodontidae pelagic 38.1 TL 4.1 native
Cynopotamus bipunctatus Characidae benthopelagic 21.4 TL 4.0 native
Cyphocharax festivus Curimatidae benthopelagic 16.7 TL 2.0 native
Cyphocharax meniscaprorus Curimatidae benthopelagic 6.9 TL 2.3 native
Cyphocharax multilineatus Curimatidae benthopelagic 13.3 TL 2.0 native
Cyphocharax oenas Curimatidae benthopelagic 5.9 TL 2.4 native
Dekeyseria niveata Loricariidae demersal 15.9 TL 2.0 native
Dekeyseria pulchra Loricariidae demersal 12.2 TL 2.0 native
Dentectus barbarmatus Loricariidae demersal 16.7 TL 2.5 native
Denticetopsis seducta Cetopsidae benthopelagic 6.2 TL 3.4 native
Dicrossus filamentosus Chessboard cichlid Cichlidae benthopelagic 4.6 TL 3.1 native
Distocyclus conirostris Sternopygidae benthopelagic 50.0 TL 3.2 native
Duopalatinus peruanus Pimelodidae demersal 18.3 TL 3.7 native
Eigenmannia virescens Glass knifefish Sternopygidae benthopelagic 53.7 TL 3.2 native
Elachocharax pulcher Crenuchidae pelagic 2.7 TL 3.1 native
Electrophorus electricus Electric eel Gymnotidae benthopelagic 305.0 TL 3.9 native
Entomocorus gameroi Auchenipteridae demersal 8.5 TL 3.3 native
Epapterus blohmi Auchenipteridae demersal 10.4 TL 3.2 native
Ernstichthys anduzei Aspredinidae demersal 4.3 TL 3.1 native
Exallodontus aguanai Pimelodidae demersal 24.4 TL 3.8 native
Exastilithoxus fimbriatus Loricariidae demersal 7.3 TL 2.4 native
Farlowella colombiensis Loricariidae demersal 19.5 TL 2.5 native
Farlowella mariaelenae Loricariidae demersal 20.7 TL 2.5 native
Farlowella oxyrryncha Loricariidae demersal 28.1 TL 2.4 native
Farlowella venezuelensis Loricariidae demersal 24.2 TL 2.4 native
Farlowella vittata Loricariidae demersal 27.5 TL 2.4 native
Gelanoglanis nanonocticolus Auchenipteridae pelagic 2.7 TL 3.0 native
Gelanoglanis stroudi Auchenipteridae demersal 4.4 TL 3.1 native
Geophagus dicrozoster Cichlidae benthopelagic 19.8 TL 2.3 native
Geophagus grammepareius Cichlidae benthopelagic 12.6 TL 2.5 native
Geophagus taeniopareius Cichlidae benthopelagic 17.5 TL 2.3 native
Gladioglanis machadoi Heptapteridae demersal 4.2 TL 3.5 native
Glanapteryx anguilla Trichomycteridae benthopelagic 6.1 TL 3.2 native
Gnathocharax steindachneri Acestrorhynchidae pelagic 6.1 TL 3.5 native
Gnathodolus bidens Anostomidae benthopelagic 26.3 TL 2.4 native
Goeldiella eques Heptapteridae demersal 35.3 TL 3.7 native
Gymnocorymbus bondi Characidae demersal 6.1 TL 3.1 native
Gymnocorymbus thayeri False black tetra Characidae pelagic 6.1 TL 3.1 native
Gymnorhamphichthys bogardusi Rhamphichthyidae benthopelagic 19.5 TL 3.2 native
Gymnorhamphichthys hypostomus Rhamphichthyidae benthopelagic 21.5 TL 3.2 native
Gymnorhamphichthys rondoni Rhamphichthyidae benthopelagic 15.0 TL 3.1 native
Gymnotichthys hildae Characidae benthopelagic 8.7 TL 3.1 native
Gymnotus anguillaris Gymnotidae benthopelagic 36.6 TL 3.3 native
Gymnotus cataniapo Gymnotidae benthopelagic 31.6 TL 3.3 native
Gymnotus coropinae Gymnotidae benthopelagic 42.1 TL 3.4 native
Harttia merevari Loricariidae demersal 15.6 TL 2.5 native
Hassar orestis Doradidae demersal 29.8 TL 2.8 native
Helogenes castaneus Cetopsidae demersal 5.7 TL 3.3 native
Hemiancistrus guahiborum Loricariidae demersal 21.5 TL 2.0 native
Hemiancistrus sabaji Loricariidae demersal 24.1 TL 2.0 native
Hemibrycon metae Characidae benthopelagic 11.4 TL 3.0 native
Hemigrammus analis Characidae benthopelagic 3.6 TL 3.0 native
Hemigrammus barrigonae Characidae benthopelagic 5.0 TL 3.0 native
Hemigrammus elegans Characidae benthopelagic 4.9 TL 3.0 native
Hemigrammus lunatus Characidae benthopelagic 4.8 TL 3.0 native
Hemigrammus marginatus Characidae benthopelagic 5.5 TL 2.8 native
Hemigrammus micropterus Characidae benthopelagic 4.9 TL 3.0 native
Hemigrammus microstomus Characidae benthopelagic 4.9 TL 3.0 native
Hemigrammus mimus Characidae benthopelagic 3.5 TL 3.0 native
Hemigrammus newboldi Characidae benthopelagic 6.1 TL 3.0 native
Hemigrammus rhodostomus Rummy-nose tetra Characidae benthopelagic 5.0 TL 3.0 native
Hemigrammus schmardae Characidae benthopelagic 4.5 TL 3.0 native
Hemigrammus stictus Characidae benthopelagic 4.3 TL 3.0 native
Hemigrammus taphorni Characidae benthopelagic 5.2 TL 3.0 native
Hemigrammus unilineatus Featherfin tetra Characidae benthopelagic 5.3 TL 3.4 native
Hemiodus argenteus Hemiodontidae benthopelagic 28.9 TL 2.7 native
Hemiodus gracilis Hemiodontidae benthopelagic 19.9 TL 2.7 native
Hemiodus immaculatus Hemiodontidae benthopelagic 30.1 TL 2.9 native
Hemiodus microlepis Hemiodontidae benthopelagic 29.2 TL 2.8 native
Hemiodus semitaeniatus Halfline hemiodus Hemiodontidae benthopelagic 24.4 TL 2.7 native
Hemiodus thayeria Hemiodontidae benthopelagic 10.9 TL 2.8 native
Hemisorubim platyrhynchos Porthole shovelnose catfish Pimelodidae demersal 61.0 TL 4.5 native
Henonemus triacanthopomus Trichomycteridae benthopelagic 11.5 TL 4.6 native
Heros liberifer Cichlidae benthopelagic 20.0 TL 2.8 native
Heros severus Banded cichlid Cichlidae benthopelagic 24.4 TL 2.8 native
Heterocharax leptogrammus Acestrorhynchidae benthopelagic 4.1 TL 3.3 native
Heterocharax macrolepis Acestrorhynchidae benthopelagic 5.8 TL 3.5 native
Heterocharax virgulatus Acestrorhynchidae benthopelagic 5.1 TL 3.4 native
Hoplarchus psittacus Cichlidae benthopelagic 32.0 TL 3.7 native
Hoplerythrinus unitaeniatus Aimara Erythrinidae pelagic 25.0 TL 3.4 native
Hoplias aimara Erythrinidae benthopelagic 122.0 TL 3.7 native
Hoplias curupira Erythrinidae benthopelagic 36.5 TL 4.0 native
Hoplias macrophthalmus Giant trahira Erythrinidae benthopelagic 100.0 TL 4.3 native
Hoplomyzon sexpapilostoma Aspredinidae demersal 3.9 TL 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 40.9 TL 4.2 native
Hypancistrus contradens Loricariidae demersal 10.7 TL 2.2 native
Hypancistrus debilittera Loricariidae demersal 10.7 TL 2.2 native
Hypancistrus furunculus Loricariidae demersal 10.7 TL 2.2 native
Hypancistrus inspector Loricariidae benthopelagic 15.4 TL 2.0 native
Hypancistrus lunaorum Loricariidae demersal 10.7 TL 2.2 native
Hyphessobrycon acaciae Characidae benthopelagic 3.5 TL 2.9 native
Hyphessobrycon albolineatum Characidae benthopelagic 3.2 TL 3.0 native
Hyphessobrycon diancistrus Characidae benthopelagic 4.5 TL 2.9 native
Hyphessobrycon epicharis Characidae benthopelagic 4.0 TL 2.9 native
Hyphessobrycon mavro Characidae benthopelagic 4.2 TL 2.9 native
Hyphessobrycon metae Characidae benthopelagic 4.9 TL 2.9 native
Hyphessobrycon niger Characidae benthopelagic 3.4 TL 3.0 native
Hyphessobrycon sweglesi Red phantom tetra Characidae benthopelagic 3.9 TL 3.2 native
Hypoclinemus mentalis Achiridae demersal 26.4 TL 3.4 native
Hypophthalmus edentatus Highwaterman catfish Pimelodidae pelagic 57.5 TL 2.9 native
Hypophthalmus marginatus Pimelodidae demersal 55.0 TL 3.4 native
Hypoptopoma machadoi Loricariidae benthopelagic 7.0 TL 2.0 native
Hypopygus lepturus Hypopomidae benthopelagic 10.0 TL 3.1 native
Hypopygus minissimus Hypopomidae benthopelagic 6.2 TL 3.1 native
Hyporhamphus brederi Hemiramphidae pelagic 12.2 TL 3.0 native
Hypostomus hemicochliodon Loricariidae demersal 36.2 TL 2.0 native
Hypostomus sculpodon Loricariidae demersal 32.2 TL 2.0 native
Hypselecara coryphaenoides Cichlidae benthopelagic 19.5 TL 3.8 native
Iguanodectes adujai Iguanodectidae benthopelagic 7.6 TL 3.2 native
Iguanodectes geisleri Iguanodectidae benthopelagic 6.7 TL 3.2 native
Iguanodectes spilurus Iguanodectidae benthopelagic 12.4 TL 3.3 native
Imparfinis nemacheir Heptapteridae demersal 12.1 TL 3.1 native
Imparfinis pristos Heptapteridae demersal 4.6 TL 3.1 native
Imparfinis pseudonemacheir Heptapteridae demersal 4.9 TL 3.1 native
Ituglanis guayaberensis Trichomycteridae benthopelagic 7.4 TL 3.2 native
Jupiaba abramoides Characidae benthopelagic 14.6 TL 2.8 native
Jupiaba scologaster Characidae benthopelagic 4.5 TL 2.9 native
Knodus meridae Characidae benthopelagic 5.5 TL 3.0 native
Laemolyta fernandezi Anostomidae benthopelagic 30.5 TL 2.2 native
Laemolyta orinocensis Anostomidae benthopelagic 20.3 TL 2.4 native
Laemolyta taeniata Anostomidae benthopelagic 35.1 TL 2.2 native
Laetacara fulvipinnis Cichlidae demersal 9.0 TL 3.2 native
Laimosemion altivelis Rivulidae benthopelagic 8.5 TL 3.5 endemic
Laimosemion corpulentus Rivulidae benthopelagic 5.3 TL 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 24.6 TL 2.4 native
Lasiancistrus schomburgkii Loricariidae demersal 17.6 TL 2.0 native
Lasiancistrus tentaculatus Loricariidae demersal 18.0 TL 2.0 native
Lebiasina yepezi Lebiasinidae benthopelagic 18.6 TL 3.7 native
Leiarius marmoratus Pimelodidae demersal 100.0 TL 4.5 native
Leporacanthicus galaxias Loricariidae demersal 25.7 TL 2.0 native
Leporacanthicus triactis Loricariidae demersal 30.1 TL 2.0 native
Leporellus vittatus Anostomidae benthopelagic 36.6 TL 3.2 native
Leporinus arimaspi Anostomidae benthopelagic 23.1 TL 2.3 native
Leporinus brunneus Anostomidae benthopelagic 31.2 TL 2.3 native
Leporinus ortomaculatus Anostomidae benthopelagic 9.5 TL 2.6 native
Leporinus punctatus Anostomidae benthopelagic 23.5 TL 2.3 native
Leporinus y-ophorus Anostomidae benthopelagic 23.5 TL 2.3 native
Leptocharacidium omospilus Crenuchidae pelagic 8.5 TL 3.5 native
Leptodoras copei Doradidae demersal 17.3 TL 2.8 native
Leptodoras hasemani Doradidae demersal 22.8 TL 2.8 native
Leptodoras linnelli Doradidae demersal 28.1 TL 2.8 native
Leptodoras nelsoni Doradidae demersal 19.8 TL 2.8 native
Leptodoras praelongus Doradidae demersal 22.6 TL 2.8 native
Leptodoras rogersae Doradidae demersal 22.0 TL 2.8 native
Limatulichthys griseus Loricariidae demersal 23.7 TL 2.4 native
Limatulichthys nasarcus Loricariidae demersal 18.4 TL 2.5 native
Lithoxus jantjae Loricariidae demersal 4.7 TL 2.6 native
Llanolebias stellifer Rivulidae benthopelagic 7.5 TL 3.2 endemic
Loricaria simillima Loricariidae demersal 32.2 TL 2.4 native
Loricariichthys brunneus Loricariidae demersal 30.6 TL 2.6 native
Lycengraulis batesii Bates' sabretooth anchovy Engraulidae pelagic 30.0 TL 3.8 native
Markiana geayi Characidae benthopelagic 12.7 TL 3.1 native
Mastiglanis asopos Heptapteridae demersal 8.1 TL 3.3 native
Megalechis thoracata Callichthyidae demersal 15.1 TL 2.9 native
Megalocentor echthrus Trichomycteridae benthopelagic 10.7 TL 4.6 native
Megalodoras guayoensis Doradidae demersal 64.7 TL 2.7 native
Megalonema orixanthum Pimelodidae demersal 14.1 TL 3.6 native
Megalonema platycephalum Pimelodidae demersal 30.0 TL 4.0 native
Melanocharacidium compressus Crenuchidae benthopelagic 3.7 TL 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 8.8 TL 3.5 native
Melanocharacidium pectorale Crenuchidae benthopelagic 4.4 TL 3.3 native
Mesonauta egregius Cichlidae benthopelagic 10.0 TL 3.3 native
Mesonauta insignis Cichlidae benthopelagic 11.5 TL 3.4 native
Metynnis orinocensis Serrasalmidae pelagic 15.7 TL 2.9 native
Microcharacidium gnomus Crenuchidae pelagic 2.7 TL 3.1 native
Microcharacidium weitzmani Crenuchidae pelagic 1.5 TL 2.9 native
Micromoema xiphophora Rivulidae benthopelagic 6.0 TL 3.2 native
Microphilypnus ternetzi Eleotridae demersal 2.4 TL 3.0 native
Microschemobrycon callops Characidae benthopelagic 4.3 TL 3.1 native
Microschemobrycon casiquiare Characidae benthopelagic 4.3 TL 3.1 native
Microsternarchus bilineatus Hypopomidae benthopelagic 12.0 TL 3.1 native
Mikrogeophagus ramirezi Ram cichlid Cichlidae benthopelagic 4.2 TL 3.1 native
Moenkhausia copei Characidae benthopelagic 7.3 TL 3.3 native
Moenkhausia dichroura Bandtail tetra Characidae benthopelagic 12.2 TL 3.5 native
Moenkhausia intermedia Characidae benthopelagic 9.8 TL 2.7 native
Moenkhausia lepidura Characidae benthopelagic 10.5 TL 3.5 native
Moenkhausia metae Characidae benthopelagic 9.0 TL 3.4 native
Moenkhausia mikia Characidae demersal 9.6 TL 3.4 native
Moenkhausia schultzi Characidae benthopelagic 7.8 TL 3.3 native
Mylesinus schomburgkii Serrasalmidae benthopelagic 34.8 TL 2.8 native
Myleus setiger Serrasalmidae benthopelagic 32.9 TL 2.8 native
Myloplus lobatus Serrasalmidae benthopelagic 29.9 TL 2.1 native
Myloplus rubripinnis Redhook myleus Serrasalmidae benthopelagic 41.5 TL 2.0 native
Myloplus schomburgkii Disk tetra Serrasalmidae benthopelagic 51.2 TL 2.0 native
Myloplus torquatus Serrasalmidae benthopelagic 36.9 TL 2.0 native
Mylossoma aureum Serrasalmidae benthopelagic 20.0 TL 2.5 native
Mylossoma duriventre Serrasalmidae benthopelagic 30.5 TL 2.8 native
Nannacara quadrispinae Cichlidae benthopelagic 6.5 TL 3.1 native
Nannoptopoma spectabile Loricariidae demersal 3.5 TL 2.5 native
Nannostomus anduzei Lebiasinidae benthopelagic 2.0 TL 3.0 native
Nannostomus unifasciatus Oneline pencilfish Lebiasinidae benthopelagic 4.6 TL 3.3 native
Neblinichthys roraima Loricariidae demersal 6.2 TL 2.5 native
Nemadoras cristinae Doradidae demersal 15.1 TL 2.8 native
Nemuroglanis mariai Heptapteridae demersal 5.0 TL 3.2 native
Nemuroglanis pauciradiatus Heptapteridae demersal 4.0 TL 3.2 native
Ochmacanthus alternus Trichomycteridae benthopelagic 4.9 TL 2.0 native
Ochmacanthus orinoco Trichomycteridae benthopelagic 5.6 TL 4.0 native
Odontostilbe pao Characidae benthopelagic 3.6 TL 2.7 native
Odontostilbe pulchra Characidae benthopelagic 4.5 TL 2.5 native
Odontostilbe splendida Characidae benthopelagic 5.1 TL 2.5 native
Orinocodoras eigenmanni Doradidae demersal 24.4 TL 2.8 native
Otocinclus huaorani Loricariidae demersal 3.9 TL 2.0 native
Otocinclus vittatus Loricariidae demersal 3.3 TL 2.1 native
Oxydoras sifontesi Doradidae demersal 76.0 TL 3.0 native
Oxyropsis acutirostra Loricariidae demersal 5.4 TL 2.1 native
Pachypops fourcroi Guyanan croaker Sciaenidae benthopelagic 25.0 TL 4.2 native
Pachyurus gabrielensis Sciaenidae pelagic 17.8 TL 3.4 native
Pachyurus schomburgkii Amazon croaker Sciaenidae benthopelagic 25.5 TL 3.5 native
Panaqolus maccus Clown panaque Loricariidae benthopelagic 10.7 TL 2.2 native
Panaque nigrolineatus Royal panaque Loricariidae benthopelagic 52.5 TL 2.0 native
Paracheirodon axelrodi Cardinal tetra Characidae pelagic 3.1 TL 3.3 native
Paracheirodon simulans Green neon tetra Characidae pelagic 2.5 TL 3.0 native
Paratrygon aiereba Discus ray Potamotrygonidae demersal 149.0 TL 3.4 native
Parodon apolinari Parodontidae benthopelagic 11.4 TL 2.4 native
Parodon guyanensis Parodontidae benthopelagic 12.0 TL 2.4 native
Parodon suborbitalis Parodontidae benthopelagic 14.8 TL 2.6 native
Parotocinclus britskii Loricariidae demersal 6.0 TL 2.0 native
Parotocinclus eppleyi Loricariidae demersal 3.6 TL 2.4 native
Peckoltia caenosa Loricariidae benthopelagic 19.1 TL 2.3 native
Peckoltia lujani Loricariidae demersal 9.2 TL 2.5 native
Peckoltia vittata Loricariidae demersal 15.0 TL 2.0 native
Pellona flavipinnis Yellowfin river pellona Pristigasteridae pelagic 73.0 TL 4.5 native
Phenacogaster prolatus Characidae pelagic 6.1 TL 3.5 native
Phenacorhamdia anisura Heptapteridae demersal 4.9 TL 3.2 native
Phenacorhamdia macarenensis Heptapteridae demersal 5.3 TL 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
Pimelodella cruxenti Heptapteridae demersal 13.5 TL 3.5 endemic
Pimelodella gracilis Graceful pimelodella Heptapteridae demersal 22.0 TL 3.2 native
Pimelodella linami Heptapteridae demersal 9.1 TL 3.4 endemic
Pimelodina flavipinnis Pimelodidae demersal 47.6 TL 3.2 native
Pimelodus albofasciatus Pimelodidae benthopelagic 25.0 TL 3.3 native
Pimelodus blochii Bloch's catfish Pimelodidae benthopelagic 35.0 TL 3.1 native
Pimelodus garciabarrigai Pimelodidae benthopelagic 29.0 TL 3.3 native
Pimelodus ornatus Pimelodidae benthopelagic 47.0 TL 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 42.2 TL 3.5 native
Plagioscion casattii Sciaenidae benthopelagic 40.3 TL 3.9 native
Plagioscion squamosissimus South American silver croaker Sciaenidae benthopelagic 80.0 TL 4.3 native
Platydoras costatus Raphael catfish Doradidae demersal 29.3 TL 3.0 native
Platynematichthys notatus Coroatá Pimelodidae demersal 97.6 TL 4.3 native
Platysilurus mucosus Pimelodidae demersal 24.4 TL 3.8 native
Poecilocharax weitzmani Black morpho tetra Crenuchidae benthopelagic 4.0 TL 3.2 native
Poptella longipinnis Characidae benthopelagic 8.4 TL 3.1 native
Potamorhina altamazonica Curimatidae benthopelagic 32.9 TL 2.0 native
Potamorrhaphis guianensis Belonidae pelagic 29.1 TL 3.9 native
Potamorrhaphis petersi Belonidae pelagic 30.0 TL 3.9 native
Potamotrygon motoro South American freshwater stingray Potamotrygonidae benthopelagic 149.0 TL 3.2 native
Potamotrygon orbignyi Smooth back river stingray Potamotrygonidae benthopelagic 149.0 TL 3.2 native
Potamotrygon schroederi Rosette river stingray Potamotrygonidae benthopelagic 149.0 TL 3.2 native
Priocharax ariel Characidae benthopelagic 1.9 TL 3.0 native
Pristella maxillaris X-ray tetra Characidae 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 13.5 TL 3.0 native
Pristobrycon striolatus Serrasalmidae benthopelagic 20.1 TL 2.0 native
Prochilodus mariae Prochilodontidae benthopelagic 45.1 TL 2.1 native
Psectrogaster ciliata Curimatidae benthopelagic 15.7 TL 2.0 native
Pseudancistrus orinoco Loricariidae demersal 10.0 TL 2.3 native
Pseudanos gracilis Anostomidae benthopelagic 22.1 TL 2.4 native
Pseudanos irinae Anostomidae benthopelagic 21.3 TL 2.4 native
Pseudanos varii Anostomidae benthopelagic 25.6 TL 2.4 native
Pseudanos winterbottomi Anostomidae benthopelagic 18.5 TL 2.5 native
Pseudolithoxus anthrax Loricariidae demersal 15.1 TL 2.1 native
Pseudolithoxus dumus Loricariidae demersal 12.3 TL 2.2 native
Pseudolithoxus tigris Loricariidae demersal 11.5 TL 2.2 native
Pseudoplatystoma fasciatum Barred sorubim Pimelodidae demersal 127.5 TL 4.4 native
Pseudoplatystoma metaense Pimelodidae demersal 68.2 TL 4.2 native
Pseudoplatystoma orinocoense Pimelodidae demersal 64.0 TL 4.2 native
Pseudostegophilus haemomyzon Trichomycteridae demersal 6.9 TL 4.2 native
Pseudotylosurus microps Belonidae pelagic 49.7 TL 4.1 native
Pterobunocephalus depressus Aspredinidae demersal 10.9 TL 3.1 native
Pterodoras rivasi Doradidae demersal 67.1 TL 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 2.9 TL 3.1 native
Pygidianops magoi Trichomycteridae demersal 2.4 TL 3.0 native
Pygocentrus cariba Black spot piranha Serrasalmidae pelagic 27.9 TL 3.6 native
Pygocentrus palometa Serrasalmidae pelagic 43.5 TL 3.7 native
Pygopristis denticulata Lobetoothed piranha Serrasalmidae benthopelagic 21.5 TL 2.9 native
Pyrrhulina filamentosa Lebiasinidae benthopelagic 13.5 TL 3.4 native
Racenisia fimbriipinna Hypopomidae benthopelagic 11.7 TL 3.1 native
Rachovia maculipinnis Rivulidae benthopelagic 6.0 TL 3.2 native
Renova oscari Rivulidae demersal 5.7 TL 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
Rhamdia laukidi Heptapteridae benthopelagic 40.3 TL 3.7 native
Rhamdia muelleri Heptapteridae benthopelagic 25.4 TL 3.6 native
Rhamphichthys apurensis Rhamphichthyidae benthopelagic 66.1 TL 3.2 native
Rhamphichthys drepanium Rhamphichthyidae benthopelagic 54.9 TL 3.2 native
Rhaphiodon vulpinus Biara Cynodontidae pelagic 97.6 TL 4.5 native
Rhinodoras gallagheri Doradidae demersal 18.2 TL 2.8 native
Rhinosardinia amazonica Amazon spinejaw sprat Clupeidae pelagic 11.0 TL 3.4 native
Rhynchodoras castilloi Doradidae demersal 9.7 TL 2.9 native
Rineloricaria formosa Loricariidae demersal 18.5 TL 2.5 native
Roeboides araguaito Characidae benthopelagic 13.5 TL 3.8 native
Roeboides dayi Characidae benthopelagic 15.5 TL 3.5 native
Roeboides dientonito Characidae benthopelagic 8.3 TL 3.6 native
Roeboides myersii Characidae benthopelagic 22.0 TL 4.2 native
Roeboides numerosus Characidae benthopelagic 7.4 TL 3.5 native
Salminus hilarii Bryconidae benthopelagic 61.0 TL 2.7 native
Satanoperca daemon Threespot eartheater Cichlidae benthopelagic 20.7 TL 3.1 native
Satanoperca mapiritensis Cichlidae benthopelagic 17.1 TL 3.1 native
Schizodon scotorhabdotus Anostomidae benthopelagic 33.1 TL 2.5 native
Schultzichthys bondi Trichomycteridae benthopelagic 4.4 TL 3.7 native
Schultzichthys gracilis Trichomycteridae benthopelagic 3.2 TL 3.4 native
Scorpiodoras heckelii Doradidae demersal 19.6 TL 2.8 native
Semaprochilodus kneri Prochilodontidae benthopelagic 34.2 TL 2.0 native
Semaprochilodus laticeps Prochilodontidae benthopelagic 53.7 TL 2.0 native
Serrasalmus altuvei Serrasalmidae benthopelagic 21.1 TL 3.5 native
Serrasalmus elongatus Slender piranha Serrasalmidae benthopelagic 30.0 TL 3.4 native
Serrasalmus gouldingi Serrasalmidae benthopelagic 34.1 TL 3.6 native
Serrasalmus irritans Serrasalmidae benthopelagic 16.8 TL 3.5 native
Serrasalmus medinai Serrasalmidae benthopelagic 18.1 TL 3.3 native
Serrasalmus nalseni Serrasalmidae benthopelagic 15.4 TL 3.4 native
Serrasalmus rhombeus Redeye piranha Serrasalmidae benthopelagic 50.6 TL 4.0 native
Sorubim elongatus Slender shovelnose catfish Pimelodidae demersal 39.3 TL 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 5.4 TL 3.9 native
Steindachnerina argentea Stout sardine Curimatidae benthopelagic 11.4 TL 2.2 native
Steindachnerina bimaculata Curimatidae benthopelagic 21.1 TL 2.0 native
Steindachnerina guentheri Curimatidae benthopelagic 13.5 TL 2.1 native
Steindachnerina pupula Curimatidae benthopelagic 12.1 TL 2.1 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 26.5 TL 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 11.5 TL 2.6 native
Synaptolaemus latofasciatus Anostomidae pelagic 11.5 TL 2.6 native
Tatia galaxias Auchenipteridae benthopelagic 15.3 TL 3.4 native
Tatia marthae Auchenipteridae demersal 2.8 TL 3.1 native
Tatia musaica Auchenipteridae benthopelagic 6.2 TL 3.2 native
Tatia strigata Auchenipteridae benthopelagic 14.3 TL 3.2 native
Tenellus leporhinus Doradidae demersal 21.1 TL 2.8 native
Tenellus trimaculatus Doradidae demersal 13.9 TL 2.8 native
Terranatos dolichopterus Saberfin killie Rivulidae demersal 4.0 TL 3.1 endemic
Tetragonopterus chalceus Characidae demersal 12.7 TL 3.2 native
Tetranematichthys quadrifilis Auchenipteridae demersal 19.5 TL 3.4 native
Tetranematichthys wallacei Auchenipteridae demersal 25.1 TL 3.5 native
Thoracocharax stellatus Spotfin hatchetfish Gasteropelecidae pelagic 8.2 TL 3.5 native
Tometes makue Serrasalmidae pelagic 46.2 TL 2.8 native
Trachelyopterichthys anduzei Auchenipteridae demersal 17.1 TL 3.4 native
Trachelyopterus galeatus Auchenipteridae demersal 30.0 TL 3.1 native
Trachycorystes trachycorystes Black catfish Auchenipteridae demersal 42.7 TL 3.6 native
Trachydoras gepharti Doradidae demersal 8.7 TL 2.9 native
Trachydoras microstomus Doradidae demersal 7.2 TL 2.9 native
Trichomycterus celsae Trichomycteridae demersal 10.9 TL 3.2 native
Trichomycterus lewi Trichomycteridae demersal 10.9 TL 3.2 native
Trichomycterus migrans Trichomycteridae benthopelagic 10.9 TL 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 29.5 TL 2.9 native
Triportheus orinocensis Triportheidae benthopelagic 16.4 TL 2.8 native
Triportheus venezuelensis Triportheidae benthopelagic 14.5 TL 2.8 native
Typhlobelus lundbergi Trichomycteridae demersal 3.6 TL 3.1 native
Tyttocharax metae Characidae demersal 2.3 TL 3.0 native
Uaru fernandezyepezi Cichlidae benthopelagic 23.2 TL 3.3 native
Utiaritichthys sennaebragai Serrasalmidae benthopelagic 39.3 TL 2.8 native
Vandellia beccarii Trichomycteridae demersal 15.5 TL 4.5 native
Vandellia sanguinea Trichomycteridae demersal 10.3 TL 4.2 native
Xenagoniates bondi Characidae demersal 7.3 TL 3.2 native
Xyliphius lepturus Aspredinidae demersal 16.1 TL 3.2 native
Xyliphius melanopterus Aspredinidae demersal 17.9 TL 3.2 native
Zungaro zungaro Gilded catfish Pimelodidae demersal 170.8 TL 4.5 native
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cfm script by eagbayani, 10.05.99 ,  php script by rolavides, 04/02/08 ,  last modified by sortiz, 10/23/2017