| Scientific Name | FishBase Name | Territory | Locality | Date taken | Photo |
|---|---|---|---|---|---|
| Acanthistius brasilianus | Argentine seabass | Brazil | Rio Grande do Sul | 2010-07-03 |  |
| Ageneiosus inermis | Manduba | Argentina | Paraná River | 2010-03-16 |  |
| Apareiodon affinis | Darter characine | Uruguay | Tacuarembó River | 2009-12-28 |  |
| Psalidodon fasciatus | Banded astyanax | Brazil | Pelotas River |  |
|
| Astyanax jacuhiensis | Brazil | São Lourenço River |  |
||
| Atherinella brasiliensis | Brazilian silversides | Brazil | São Gonçalo Channel | 2010-03-16 |  |
| Australoheros facetus | Chameleon cichlid | Brazil | Rio Grande do Sul |  |
|
| Brevoortia aurea | Brazilian menhaden | Brazil | 2010-02-14 |  |
|
| Brycon orbignyanus | Argentina | Paraná River | 2010-03-18 |  |
|
| Charax stenopterus | Brazil | Rio Grande do Sul |  |
||
| Charax stenopterus | Brazil | Rio Grande do Sul |  |
||
| Crenicichla lepidota | Pike cichlid | Brazil | Pelotas River |  |
|
| Cyphocharax voga | Brazil | Rio Grande do Sul |  |
||
| Genidens genidens | Guri sea catfish | Brazil |  |
||
| Gymnogeophagus gymnogenys | Smooth-cheek eartheater | Uruguay | Tacuarembó River |  |
|
| Gymnotus paraguensis | Argentina | Paraná River | 2010-03-16 |  |
|
| Hoplerythrinus unitaeniatus | Aimara | Argentina | Paraná River | 2010-03-19 |  |
| Hoplias malabaricus | Trahira | Brazil | Pelotas River |  |
|
| Hoplias malabaricus | Trahira | Brazil | Pelotas River |  |
|
| Hoplosternum littorale | Atipa | Argentina | Paraná River | 2010-03-16 |  |
| Deuterodon luetkenii | Brazil | Rio Grande do Sul | 2008-12-13 |  |
|
| Hyporthodus niveatus | Snowy grouper | Brazil | Rio Grande do Sul | 2010-07-03 |  |
| Hyporthodus niveatus | Snowy grouper | Brazil | Rio Grande do Sul | 2010-07-03 |  |
| Iheringichthys labrosus | Uruguay | Tacuarembó River | 2009-02-13 |  |
|
| Iheringichthys labrosus | Uruguay | Tacuarembó River | 2009-02-13 |  |
|
| Megaleporinus obtusidens | Argentina | Paraná River | 2010-09-28 |  |
|
| Lobotes surinamensis | Tripletail | Brazil | Patos Lagoon Estuary | 2010-02-26 |  |
| Loricariichthys anus | Brazil | Rio Grande do Sul |  |
||
| Loricariichthys anus | Brazil | São Gonçalo Channel |  |
||
| Loricariichthys anus | Brazil | São Gonçalo Channel |  |
||
| Lycengraulis grossidens | Atlantic sabretooth anchovy | Brazil | São Gonçalo Channel |  |
|
| Menticirrhus americanus | Southern kingcroaker | Brazil | Patos Lagoon Estuary |  |
|
| Micropogonias furnieri | Whitemouth croaker | Brazil | Patos Lagoon Estuary |  |
|
| Micropogonias furnieri | Whitemouth croaker | Brazil | Patos Lagoon Estuary |  |
|
| Micropogonias furnieri | Whitemouth croaker | Brazil | Patos Lagoon Estuary |  |
|
| Mugil liza | Lebranche mullet | Brazil | 2010-07-03 |  |
|
| Oligosarcus jenynsii | Brazil | Pelotas River |  |
||
| Oligosarcus robustus | Brazil | São Lourenço River |  |
||
| Oncopterus darwinii | Remo flounder | Brazil | 2010-02-14 |  |
|
| Oncopterus darwinii | Remo flounder | Brazil | 2010-02-14 |  |
|
| Osteoglossum bicirrhosum | Arawana | Brazil | Mamirauá Lake | 2010-11-27 |  |
| Pachyurus bonariensis | La Plata croaker | Uruguay | Tacuarembó River | 2009-12-29 |  |
| Parapimelodus nigribarbis | Brazil | São Lourenço River |  |
||
| Parapimelodus nigribarbis | Brazil | São Lourenço River |  |
||
| Pimelodus maculatus | Brazil | São Lourenço River |  |
||
| Pimelodus maculatus | Brazil | São Lourenço River |  |
||
| Prochilodus lineatus | Streaked prochilod | Argentina | Paraná River | 2010-03-16 |  |
| Pseudoplatystoma corruscans | Spotted sorubim | Argentina | Paraná River | 2010-03-16 |  |
| Pygocentrus nattereri | Red piranha | Argentina | Paraná River | 2010-03-17 |  |
| Rhamdia quelen | South American catfish | Brazil | Rio Grande do Sul |  |
|
| Rhamdia quelen | South American catfish | Brazil | Rio Grande do Sul |  |
|
| Rhaphiodon vulpinus | Biara | Argentina | Paraná River | 2010-03-15 |  |
| Rhaphiodon vulpinus | Biara | Argentina | Paraná River | 2010-03-15 |  |
| Salminus brasiliensis | Dorado | Argentina | Paraná River | 2010-03-16 |  |
| Selene setapinnis | Atlantic moonfish | Brazil | Patos Lagoon Estuary, Rio Grande do Sul | 2009-04-05 |  |
| Synbranchus marmoratus | Marbled swamp eel | Brazil | Rio Grande do Sul | 2010-02-08 |  |
| Trachelyopterus lucenai | Southern driftwood catfish | Brazil | Rio Grande do Sul |  |
|
| Trachelyopterus lucenai | Southern driftwood catfish | Brazil | Rio Grande do Sul |  |
|
| Urophycis brasiliensis | Brazilian codling | Brazil | 2010-07-03 |  |
|
| Zungaro jahu | Argentina | Paraná River | 2010-03-16 |  |
|
| Zungaro jahu | Argentina | Paraná River | 2010-03-16 |  |