It used to be that bycatch was a mistake, but now trawlers in some regions are hoovering up everything from seahorses to baitfish and tiny crabs to grind up to feed to farmed fish and chicken:
https://news.mongabay.com/2018/03/annihilation-trawling-qa-with-marine-biologist-amanda-vincent/ Erik -- Commentator's Curse: read my new magazine essay arguing for quieter sports experiences here <http://www.erikhoffner.com/commentators-curse-the-case-for-silence-in-televised-soccer>