I know what’s really killing the world’s oceans at an unprecedented rate (“Fishanthrope,” Nov. 14). It’s hiding right there under your own noses disguised as a business of conservation and education: Zoos, aquariums, wholesale facilities and pet stores. Most of the world is covered with ocean and the creatures in it. Do we really need to bring it all on land to live in a box to die [after] a few days, claiming we saved them from the sea by doing so?