Depends.
Fisheries are an example of the “Tragedy of the commons.” Since no one owns the fish, the ‘rational’ solution is to fix like heck, before someone else gets it all.
The real solution is to sell rights to fish or ranch the fish. But no one owns the rights...
I’d have to say that what’s happening in Sitka AK is an example of public-private cooperation which is pretty successful. I’m a member of a CSF (sitkasalmonshares.com) and the company keeps up informed as to the state of affairs there.