A template for creatures with a tubular body, and possible fins or rows of feet along it. The body typically starts with a head containing mouth, eyes, etc, and then decreases in diameter towards the tail. It also contains separate fins for fish and for whales/sharks, and a common tail fin. There is also a tentacle texture. Used for snakes, worms, larvae, centipedes, eels, fish, sharks, whales, squids, banana slugs, giant desert sand worms, and so on..