You could also set a fish quota, and let people buy and sell their quota. Then the market sets the price, the government just has to decide how much fish is sus

You could also set a fish quota, and let people buy and sell their quota. Then the market sets the price, the government just has to decide how much fish is sustainable to take each year. Ontario has a similar system for emissions. Of course with fishing it all falls apart if there are multiple countries fishing in the same area without having a unified system.