Three men were fishing in the Gulf of Mexico when one of them pulled in ahuge fish. But as soon as it was in the boat, the fish shook thehook out of its mouth and changed into an angry, bearded man wearing a crownand brandishing a three-pronged spear.""Who are you, sir?"" quavered one of the fishermen.""I am Neptune, god of the sea, and I am going to put a curse on you!Before you get home, your boat will spring a dozen leaks -- nay, make thata dozen and a half, for good measure!""With a nasty la…