Just like how cows aren’t going extinct or anything rn from overhunting, why hasn’t farming solved this issue? Surely trawl fishing ajd whatnot isn’t necessary anymore. We absolutely have the technology and capacity to farm most fish, so apart from people trying to catch particular exotic ones just to sell for the novelty, I really don’t get why this is still having such a huge effect on so many ecosystems and driving so many species to extinction, not even mention wrongfully catching sharks and stuff and destroying those species’ populations as a result.
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I don’t know much about fish farming technology but I have had some experience with the political side of licensed trawling and fish netting.
The main issue is that the people who make their living trawling fish are heavily invested in trawling fish. If the technology does exist to farm the fish that they usually catch, it doesn’t do them any good because they don’t own fish farms and they don’t know how to farm fish. They do own trawlers and nets and they know how to fish the seas and lakes.
When trawling becomes illegal they are left with useless trawlers and other equipment that have little or no sale value because they can no longer be used for their intended purpose.. Their business tends not to own any land upon which they might set up a farm.
So when a society switches from hunting fish to farming fish, the people who were fish hunters are rarely in a position to become the fish farmers.
Fisher-persons know this and have long ago formed commercial associations with lobby groups and they fight hard, and in my experience they fight dirty, against any legislative change that might effect their licenses.
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