No, i can't. because i don't even know why was the prince turned out become a fish. but we can make it become : There's a fish that caught by a fisherman. The fish wasn't a simple fish. it was an enchanted fish. So the fish asked for mercy to the fisherman. the fisherman let the fish go. One day, when he fish swam happily, the fisherman come again to the fish and asked for a wish. the fish thought that the fisherman already release him once so the fish granted the fisherman wish. etc.