Many articles and videos state that Aquaculture may have little benefit but more concerns:

Fish farming should stop in Canada.
Some people think that Aquaculture is the same thing as Agriculture, it’s not, aquaculture has far more dangerous chronic effects than aquaculture. Even though fish farming can bring economic successes, but without a healthy environment we won’t even be able to live, why do we need a good economy?

As mentioned it affects our ecosystems and more. The chemicals in fish food to keep the fishes healthy. What if the fishes don’t eat them all? The chemicals and antibiotics all flow into the wild water, adding pollutants.

It also affects the natural balance, as fish farming continues.There’s around 180,000 to 250,000