Aquaculture

Farmed Halibut Atlantic Welfare

Atlantic halibut aquaculture presents unique welfare challenges due to the species' slow growth, light sensitivity, cannibalism in juveniles, and specific substrate requirements.

Key Facts

Atlantic halibut is one of the slowest-growing farmed fish, taking 4-5 years to market weight
Juvenile halibut require rearing on dark substrates to prevent malpigmentation
Cannibalism in juvenile halibut requires careful size grading and density management
Halibut show pronounced stress responses during grading and transfer
Light intensity management is critical for normal metamorphosis from pelagic to demersal life stage

Welfare Considerations

Halibut welfare requires specialist management tailored to their unique biology. Commercial scaling without species-specific welfare protocols risks significant preventable suffering.

What You Can Do

Support welfare standards development specific to Atlantic halibut aquaculture
Monitor emerging halibut farming for welfare-appropriate practices
Raise awareness of species-specific welfare needs in emerging aquaculture systems
Advocate for welfare assessment as a prerequisite before commercial expansion of new species