One day three fishermen were out in a boat in the Gulf of Mexico. They hadnot caught a thing all day when suddenly, one of the fishermen's polesstarted jerking. He grabbed it and started reeling in his line and shouting,""I got something! I got something!""He had caught a nice fish, about ten inches long. The fishermen were aboutto revel in his accomplishment when the fish shook the hook out of hismouth and transformed into a being, half man and half fish, sporting a crownand holding a trident."…