Aquaculture

Tambaqui Welfare in Brazilian Aquaculture

Welfare overview for tambaqui (Colossoma macropomum) -- the most important native fish species in Brazilian aquaculture.

Key Facts

Tambaqui is the most cultured native fish in Brazil -- production exceeds 100,000 tonnes annually
It is a large herbivorous fish that can reach 30kg -- farming typically targets 1-3kg harvest weight
Tambaqui are farmed in ponds, cages, and recirculating systems across the Amazon and northeast Brazil
They show aggregating behaviour and complex social dynamics in farmed conditions
Stocking density affects aggression, feeding competition, and welfare outcomes
Disease -- particularly fish bacterial infections in intensive systems -- is a growing welfare concern
Welfare research on tambaqui is limited compared to salmonids -- basic welfare parameters are poorly established
Growing Brazilian and international consumer interest in native Amazon species is driving production expansion

Welfare Significance

Tambaqui welfare in Brazilian aquaculture is at an early stage of scientific investigation. As a large, socially complex herbivorous fish, tambaqui has welfare needs distinct from carnivorous farmed species. Developing welfare standards alongside commercial production expansion is essential to prevent the welfare problems that have characterised rapid intensification of other aquaculture species.

What You Can Do

Support Brazilian aquaculture research that includes welfare parameters for native species
Advocate for welfare standards to be included in Brazilian aquaculture certification schemes
Choose tambaqui from certified sustainable sources when available
Recognise tambaqui as a lower-environmental-impact native alternative to imported seafood when welfare is verified