Species in IguazĂș River
     n= 97 (Incomplete)
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Species Name Family Habitat Length (cm) Trophic Level Status
Ancistrus cirrhosus Jumbie teta Loricariidae demersal 10.9 TL 2.0 native
Apteronotus brasiliensis Apteronotidae benthopelagic 29.0 TL 3.3 native
Astyanax altiparanae Characidae benthopelagic 12.6 TL 2.8 native
Astyanax asuncionensis Characidae benthopelagic 18.3 TL 2.7 native
Astyanax bifasciatus Characidae benthopelagic 15.8 TL 2.7 native
Astyanax dissimilis Characidae benthopelagic 16.6 TL 2.7 native
Astyanax eremus Characidae benthopelagic 12.1 TL 2.8 native
Astyanax gymnodontus Characidae pelagic 20.7 TL 2.0 endemic
Astyanax gymnogenys Characidae benthopelagic 14.1 TL 2.7 endemic
Astyanax ita Characidae benthopelagic 7.4 TL 2.8 endemic
Astyanax jordanensis Characidae benthopelagic 9.3 TL 2.8 native
Astyanax leonidas Characidae benthopelagic 5.6 TL 2.9 native
Astyanax lineatus Characidae benthopelagic 14.6 TL 2.7 native
Astyanax paranae Characidae benthopelagic 13.8 TL 2.7 native
Astyanax totae Characidae benthopelagic 10.0 TL 2.8 endemic
Astyanax varzeae Characidae benthopelagic 10.1 TL 2.8 native
Australoheros angiru Cichlidae benthopelagic 9.4 TL 3.2 native
Australoheros facetus Chameleon cichlid Cichlidae benthopelagic 23.5 TL 3.3 native
Australoheros kaaygua Cichlidae benthopelagic 11.5 TL 3.2 native
Austrolebias araucarianus Rivulidae benthopelagic 4.3 TL 3.1 native
Brycon orbignyanus Bryconidae benthopelagic 79.5 TL 2.5 native
Bryconamericus ikaa Characidae benthopelagic 8.3 TL 2.6 endemic
Bryconamericus pyahu Characidae benthopelagic 8.0 TL 2.6 native
Bryconamericus pyahu Characidae benthopelagic 7.8 TL 2.7 native
Characidium zebra Crenuchidae benthopelagic 9.0 TL 3.5 native
Cichlasoma dimerus Cichlidae benthopelagic 14.3 TL 3.3 native
Cnesterodon carnegiei Poeciliidae benthopelagic 3.8 TL 3.0 native
Corydoras carlae Callichthyidae demersal 6.5 TL 3.0 native
Corydoras ehrhardti Callichthyidae demersal 5.7 TL 3.2 native
Crenicichla iguassuensis Cichlidae benthopelagic 40.3 TL 3.3 native
Crenicichla lacustris Cichlidae benthopelagic 35.2 TL 3.3 native
Crenicichla niederleinii Cichlidae benthopelagic 28.7 TL 3.2 questionable
Crenicichla scottii Cichlidae benthopelagic 20.6 TL 3.2 native
Crenicichla tapii Cichlidae benthopelagic 14.7 TL 3.2 native
Crenicichla tesay Cichlidae benthopelagic 14.0 TL 3.2 native
Crenicichla tuca Cichlidae benthopelagic 18.3 TL 3.2 native
Crenicichla yaha Cichlidae benthopelagic 17.9 TL 3.2 native
Epactionotus yasi Loricariidae benthopelagic 4.8 TL 2.2 endemic
Glandulocauda caerulea Characidae benthopelagic 5.4 TL 3.0 native
Glanidium ribeiroi Auchenipteridae demersal 26.8 TL 3.5 native
Gymnotus carapo Banded knifefish Gymnotidae benthopelagic 76.0 TL 3.6 native
Hasemania maxillaris Characidae pelagic 2.9 TL 3.0 native
Hasemania melanura Copper tetra Characidae pelagic 4.4 TL 3.0 native
Heptapterus stewarti Heptapteridae demersal 17.0 TL 3.5 native
Hoplias malabaricus Trahira Erythrinidae benthopelagic 65.0 TL 3.6 native
Hyphessobrycon reticulatus Characidae benthopelagic 6.4 TL 2.9 native
Hyphessobrycon taurocephalus Characidae benthopelagic 5.5 TL 2.9 native
Hypostomus albopunctatus Loricariidae demersal 48.8 TL 2.0 native
Hypostomus derbyi Loricariidae demersal 37.8 TL 2.0 native
Hypostomus myersi Loricariidae demersal 25.3 TL 2.1 native
Hypostomus nigropunctatus Loricariidae demersal 28.4 TL 2.1 native
Iheringichthys labrosus Pimelodidae demersal 43.5 TL 2.9 native
Imparfinis hollandi Heptapteridae demersal 28.1 TL 3.2 native
Jenynsia diphyes Anablepidae benthopelagic 8.9 TL 2.9 native
Jenynsia eigenmanni Anablepidae benthopelagic 7.3 TL 2.9 native
Leporinus acutidens Anostomidae benthopelagic 33.0 TL 2.1 native
Leporinus striatus Anostomidae benthopelagic 25.0 TL 2.0 native
Megalancistrus parananus Loricariidae demersal 71.7 TL 2.0 native
Oligosarcus jenynsii Characidae benthopelagic 31.0 TL 4.0 native
Oligosarcus longirostris Characidae benthopelagic 36.0 TL 4.3 native
Oligosarcus oligolepis Characidae pelagic 13.7 TL 3.8 native
Otothyropsis biamnicus Loricariidae demersal 4.9 TL 2.2 native
Pachyurus bonariensis La Plata croaker Sciaenidae benthopelagic 24.6 TL 3.5 native
Pareiorhaphis parmula Loricariidae demersal 11.3 TL 2.3 native
Phalloceros caudimaculatus Dusky millions fish Poeciliidae pelagic 6.0 TL 3.0 native
Phalloceros caudimaculatus Dusky millions fish Poeciliidae pelagic 6.0 TL 3.0 native
Phalloceros spiloura Poeciliidae benthopelagic 4.1 TL 3.0 native
Pimelodus britskii Pimelodidae demersal 43.9 TL 3.3 native
Pimelodus maculatus Pimelodidae benthopelagic 51.0 TL 2.9 native
Pimelodus ortmanni Pimelodidae benthopelagic 36.0 TL 3.3 native
Prochilodus lineatus Streaked prochilod Prochilodontidae benthopelagic 80.0 TL 2.2 native
Psectrogaster curviventris Curimatidae benthopelagic 20.9 TL 2.0 native
Pseudoplatystoma corruscans Spotted sorubim Pimelodidae demersal 166.0 TL 4.5 native
Rhamdia quelen South American catfish Heptapteridae benthopelagic 47.4 TL 3.9 native
Rhamdiopsis moreirai Heptapteridae demersal 14.3 TL 3.5 native
Rineloricaria langei Loricariidae demersal 14.2 TL 2.5 native
Rineloricaria maacki Loricariidae demersal 16.6 TL 2.4 native
Roeboides prognathus Characidae benthopelagic 22.6 TL 4.1 native
Salminus brasiliensis Dorado Bryconidae benthopelagic 122.0 TL 3.8 native
Salminus hilarii Bryconidae benthopelagic 61.0 TL 2.6 native
Schizodon isognathus Anostomidae benthopelagic 42.7 TL 2.4 native
Schizodon nasutus Anostomidae benthopelagic 40.2 TL 2.8 native
Steindachneridion scriptum Pimelodidae demersal 90.0 TL 4.3 native
Steindachnerina brevipinna Curimatidae benthopelagic 20.5 TL 2.0 native
Synbranchus marmoratus Marbled swamp eel Synbranchidae demersal 150.0 TL 2.8 native
Tatia jaracatia Auchenipteridae demersal 8.1 TL 3.3 native
Trichomycterus crassicaudatus Trichomycteridae demersal 16.4 TL 3.3 native
Trichomycterus davisi Trichomycteridae benthopelagic 7.7 TL 3.2 native
Trichomycterus igobi Trichomycteridae demersal 11.0 TL 3.2 native
Trichomycterus mboycy Trichomycteridae benthopelagic 15.3 TL 3.3 native
Trichomycterus naipi Trichomycteridae benthopelagic 14.8 TL 3.3 native
Trichomycterus papilliferus Trichomycteridae benthopelagic 15.5 TL 3.3 native
Trichomycterus plumbeus Trichomycteridae benthopelagic 10.1 TL 3.2 native
Trichomycterus stawiarski Trichomycteridae benthopelagic 10.7 TL 3.2 native
Trichomycterus stawiarski Trichomycteridae benthopelagic 10.5 TL 3.2 native
Trichomycterus taroba Trichomycteridae benthopelagic 7.2 TL 3.2 native
Zungaro zungaro Gilded catfish Pimelodidae demersal 170.8 TL 4.5 native
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