Land-based salmon farming was one sector that gained a lot of attention during the year as we awaited Atlantic Sapphire and AquaBounty's first commercial harvests, announced several newcomers and reported on a handful of initial public offerings in the space.

The six publicly-listed companies now account for around $2 billion (€1.6 billion) in value when market caps are aggregated.

According to an IntraFish Business Intelligence report, over 100 commercially feasible projects have been announced, though those range from fully financed to theoretical.