It is the name of a fish in Colombia, something similar to piranha, but larger, Its meat is exquisite. It receives other common names: tambaquí, pacú, pacú negro, cachama. Its scientific name is Colossoma macroporum (for the black cachama) and Piaractus brachypomus (the red cachama), they also call it pirapitinga. It belongs to the family Characidae. It can be grown in ponds. It is clarified that a marine fish is also called cherna, which is also known as a grouper.
