The Hairy Mushroom, Rhodactis, is a member of the order Corallimorpharia and occurs in many colors including brown and tan, and the more colorful green. It is somewhat aggressive, however, and can harm sessile invertebrates and overgrow other inhabitants of the reef. The surface of the coral is covered by hair-like tentacles.
Approximate Size 3" to 5"
Diet The symbiotic algae zooxanthellae hosted within its body provide some of its nutritional requirements, but it also eats plankton and some larger organisms.