Aquaculture

Barramundi Welfare 2025: Aquaculture Update

2025 welfare update for barramundi -- a popular aquaculture species across tropical Asia, Australia, and expanding globally.

Key Facts

Barramundi (Lates calcarifer) is one of the most commercially important aquaculture species in Asia and Australia
2025 production exceeds 100,000 tonnes annually from Thailand, Vietnam, Indonesia, and Australia
Barramundi are euryhaline fish -- they can tolerate a wide range of salinities -- supporting diverse farming systems
They are cannibalistic as juveniles -- size grading is essential welfare management during early culture
Stocking density significantly affects aggression and welfare in barramundi production
Disease pressure including vibriosis and nodavirus causes welfare deterioration in intensive systems
2025 welfare research is increasingly documenting cortisol responses and stress behaviour in farmed barramundi
Pre-slaughter stunning technology for barramundi is available but not consistently adopted

Welfare Significance

Barramundi aquaculture welfare has improved awareness but implementation of welfare standards remains inconsistent. As a large, active predatory fish, barramundi has significant space and social interaction needs that intensive systems can compromise. Cannibalism management, stocking density control, disease prevention, and pre-slaughter stunning are the priority welfare improvements for this commercially important species.

What You Can Do

Choose barramundi from ASC or equivalent certified sources that include welfare provisions
Ask retailers about pre-slaughter stunning practices in their barramundi supply chain
Support welfare research specific to barramundi aquaculture systems
Advocate for welfare standards to keep pace with production expansion for barramundi