All Atlantic salmon in the public market is cultured and commercially grown. Currently, the only remaining wild populations of U.S. Atlantic salmon are found in a few rivers in Maine.
Yes. Native Atlantic Salmon are a protected species, you can’t catch them.
The article is referring to Atlantic Salmon in the U.S. It's protected here and only farmed fish is sold. The salmon and dolphin were in Wales. Wild salmon are fished and sold there.
That refers to the US market, not to fisheries off the European coast.