Fish Identifier
| Scientific Name | Common Names | Synonyms | Family | |
| Serrasalmus rhombeus | Black Piranha Niger Piranha Rhom Piranha White Piranha | Serralamus niger | Characidae | |
 | Hemigrammus bleheri | Firehead Tetra Rummynose Tetra | Characidae | |
 | Hyphessobrycon anisitsi | Buenos Aires Tetra | Hemigrammus anisitsi Hemigrammus caudovittatus Hyphessobrycon anisitsi | Characidae |
 | Gymnocorymbus ternetzi | Black Skirt Tetra Black Tetra Black Widow Skirt Tetra | Tetragonopterus ternetzi | Characidae |
 | Hyphessobrycon megalopterus | Black Phantom Phantom Tetra | Megalamphodus megalopterus | Characidae |
 | Hyphessobrycon herbertaxelrodi | Black Cardinal Black Neon | Characidae |