Slender piranha - Adult S.
Serrasalmus geryi - Body shape is similar to other compressus group members and are very laterally compressed such as; S.
Black piranha - Serrasalmus rhombeus , is a fish of the piranha family Characidae found in South America in the Amazon and Orinoco river basins, the north and eastern Guiana Shield rivers, and northeastern Brazilian coastal rivers.
Serrasalmus sanchezi - It is a vicious fin biter and must be kept alone.