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Popular Name: Tambaqui, Black Pacu.

Scientific Name:  Colossoma Macropomum.

Geographical Distribution :  North Region of Brazil as well as the States of Goias, Mato Grosso, Sao Paulo, Minas Gerais and Parana.

Habitat : Flooded Forest and Rivers.

Feeding :  Feeds on Seeds from Palm Trees, Plankton, fruits, insects and small fishes.

Reproduction: It migrates. It has been Raised in Fish Farming in Brazil.

Characteristics:     

This species is usually solitary. Adults stay in flooded forests during first 5 months of flooding and consume nothing but fruits and grains. Young and juveniles live in black waters of flood plains until their sexual maturity. Feeds on zooplankton, insects, snails and decaying plants. Used in aquaculture because it can live in mineral poor waters and is very resistant to diseases. It has a very strong teeth, powerfull enough to break seeds and nutsheels.it can reach up to 3.6 feet and weight over 66 pounds.

Read More in: http://www.cpt.com.br/cursos-criacaodepeixes/artigos/peixes-de-agua-doce-do-brasil-tambaqui-colossoma-macropomum#ixzz3mZcm3WCy

 

 

 

 

he tambaqui (Colossoma macropomum) is a freshwater fish of the subfamily Serrasalminae, family Characidae. It is also known by the names pacu, black pacu, black-finned pacu, giant pacu,cachama and gamitana.

Classification / Names
Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Serrasalmidae
Etymology: Colossoma: Greek, kolos = short, truncated + Greek, soma = body

Size / Weight
Max length: 108 cm / Common length: 70.0 cm / Max. published weight: 40.0 kg

Distribution
South America: Amazon and Orinoco basins as wild form; pisciculture form largely distributed in South America.

Biology