Aspect: Generally yellow or orange, but can turn black depending on surroundings Population: Rare sight, spotting requires a trained eye. Notable feature: Distinctive "S"-shaped body, the tail end of which curls around a mooring structure (coral, or as is more usually the case, a rope sponge. Environment: Quiet waters, close to a sandy seabed or sheltering rock crevices Behaviour: A defenceless creature that has to be approached cautiously and very respectfully, or it will change quarters, never to be seen again.
