Octopuses are among the most intelligent invertebrates on Earth, with cognitive abilities that raise serious ethical questions about farming and keeping them in captivity.
The cognitive complexity of octopuses means that boredom, frustration and suffering are real risks in any captive or farming environment. Their highly flexible, exploratory intelligence is suited to complex, changing environments — exactly what bare tanks cannot provide. The emergence of commercial octopus farming before welfare standards exist for the species creates a risk of scaling up suffering before the problem is even acknowledged. The precautionary principle demands that welfare frameworks be developed before commercial farming expands. Environmental enrichment, humane slaughter research and species-appropriate housing standards are urgent priorities.