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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Lack of genetic diversity….Ok so say all of the fish are from this one male and female and released into the wild at the same time. Boom, one fish gets infected with something (had no immunity) and next thing you know the entire global population has it. With natural breeding,
you get a much more diverse genetic pool, meaning one type of protozoa/virus etc doesnt wipe out the entire population.
Its like why you dont marry your sister/brother etc…as they pass there genes to there children genetic defects can show up, keep doing it and each generation gets worse.
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