1) Cleaning wrasse eat parasites off other fish in the coral reef as part of their job. They feel safe because other fish need their services. 2) Starfish like Coral live in abandoned fish homes in the coral reef to hide from predators, though they sometimes lose legs in battles with crabs. 3) Hermit crabs like Frank hide pieces of sponge and anemone on themselves for camouflage in the coral reef rocks, and have stingers for defense against predators.