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Tambaqui

Colossoma macropomum

Colossoma macropomum (Tambaqui)
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Distribution
no distribution map available



Profile status
Dossier:
not provided by us yet
WelfareCheck:
F (2025-08-18)
Advice:
not provided by us yet
Taxonomy
Class:
Actinopteri
Order:
Characiformes
Family:
Serrasalmidae
Source:
Ethograms
In the wild:
not investigated by us yet
Farm/lab:
not investigated by us yet
Catch/lab:
not investigated by us yet
Habitat
Temperature:
not investigated by us yet
Photoperiod:
not investigated by us yet
Substrate:
Fyes
Growth
Length:
not investigated by us yet
Weight:
not investigated by us yet
Maturity:
F3-6 years
Malformations:
Finsufficient data
Swimming
Home range:
no data found yet
Depth:
Fup to 3 m
Migration:
Fpotamodromous
Activity type:
no data found yet
Reproduction
Nest building:
no data found yet
Courtship:
no data found yet
Mating type:
no data found yet
Brood care:
no data found yet
Social behaviour
Aggregation:
Fvarying
Organisation:
not investigated by us yet
Aggression:
Fyes
Handling
Stress | farm:
Fyes
Slaughter | farm:
Fno
Stress | catch:
not investigated by us yet
Slaughter | catch:
not investigated by us yet
Commercial concerns
Frequency | farm:
F52,000,000-208,000,000 individuals/year
Methods | farm:
Fvarying
Frequency | catch:
not investigated by us yet
Methods | catch:
not investigated by us yet

Farming remarks

Colossoma macropomum is a tropical freshwater and long-lived fish that is naturally found in fast-moving and warm waters of Amazon and Orinoco basins in South America, including Brazil, Venezuela, Columbia, Peru, and Bolivia. It is a BENTHOPELAGIC species with a solitary habit. C. macropomum is an omnivorous fish with an exceptionally wide range of natural foods because of its special teeth and filtering apparatus, with fruits, seeds, grains, and zooplankton as the most important natural food. JUVENILES remain in flooded forests and floodplain lakes, while ADULTS migrate seasonally between spawning and feeding grounds.

In aquaculture, its production has spread in South and Central Americas, some Caribbean countries, and various countries in Asia, particularly China, Indonesia, Malaysia, Myanmar, and Viet Nam. C. macropomum is the main fish species farmed in the Amazon and one of the most largely produced freshwater FISHES in South America, especially in Brazil. It is also used as an ornamental fish. This species is cultured both in monocultures or polycultures (mostly in ponds) and has some advantages for fish farming like being easily handled, able to live in poor waters, expressing high resistance to diseases, consuming artificial feed, and exhibiting satisfactory growth rates and food conversion indexes.

Other than that, important information about its natural behaviours are still missing, especially about home range, which makes its welfare assessment a challenge. More research addressing migration, substrate, and malformations under farming conditions are also needed, and a high-standard slaughter method is yet to be defined. Additionally, C. macropomum is slaughtered before reaching maturity, thus there is not much information about ADULTS in farms.

For details see: WelfareCheck | farm (latest major release: 2025-08-18)

Related news

2025-08-19: New WelfareCheck | farm: Colossoma macropomum

Our new WelfareCheck | farm is on Colossoma macropomum or Tambaqui, a tropical freshwater species from South America, especially farmed in Brazil. The worst case scenario looks bleak with the individuals being put in too small and too shallow systems, being manipulated to spawn, being put in too high densities, and because the species tends towards aggression during feeding, prefers substrate, is stressed by husbandry, and most likely dies without proper stunning and slaughter. Especially ponds can at least offer an overlap with wild spatial needs and provide substrate; aggression does not seem to be a major issue, since polyculture works; stress can be reduced through measures verified in the farming context.

Overall, this is not a good situation for a species of which up to 200 million individuals are farmed each year. Further research could help fill in the blanks, but the question remains whether a species that does not readily reproduce in captivity, has an urge to migrate, and lives solitarily except for the spawning season will ever be able to achieve high welfare in a reasonable amount of criteria. For all feedback on the WelfareCheck or other comments on the fair-fish database, please contact us.

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