Cod

Dr Andrew Davie argues that, despite the struggles of Europe's cod and tuna aquaculture industries, there is still scope for the region’s fish farmers to diversify from the production of salmonid species.

Live capture of cod, which can then be sold off-season at a premium price, is currently gaining ground in Norway.

As seen in other animal species, fish individuals tend to react differently to a new situation. In the case of human harvest, the boldest individuals are more likely to get caught, leaving only the fearful and cautious ones to breed. But does it mean that futu…