(or an unpopular opinion)
Fish have as complex an emotional life as mammals and the practice of sport fishing where you drag them out of their element by a steel hook caught in their digestive tract is unbelievably cruel. We would be horrified by catching a squirrel or a kitten in the same way but we think nothing of lifting a fish out of their element, tearing the steel hook from their throat with a pair of pliers, and throwing it back into the water.