Colossoma macropomum (cachama, tambaqui, giant pacu, black pacu) Description
English: Colossoma macropomum. Taken at the Melbourne Aquarium
Date 11 February 2009
Author Fir0002 https://commons.wikimedia.org/wiki/User:Fir0002
Source: https://commons.wikimedia.org/wiki/File:Colossoma_macropomum_Melbourne_Aquarium.jpg
The tambaqui (Colossoma macropomum) is a freshwater species of serrasalmid. It is also known by the names black pacu, black-finned pacu, giant pacu, cachama, gamitana, and sometimes as pacu (a name used for several other related species). The tambaqui is the largest characin of South America, found in the Amazon and Orinoco basins in its wild form. However, its pisciculture form is widely distributed in South America. Order: Characiformes, Family: Serrasalmidae, Genus: Colossoma, Species: Colossoma macropomum (G. Cuvier, 1818).
Synonyms:
Myletes macropomus Cuvier, 1816
Myletes oculus Cope, 1872
Myletes nigripinnis Cope, 1878
Melloina tambaqui Amaral Campos, 1946