Common name : mushroom coral, tongue coral

Aspect : circular, flat and thick or strongly arched, up to 30 cm in diameter. The upper side has septal teeth in the form of radial blades. The underside has small spikes between the radial ridges. Generally brown color. Able to move and right itself if returned

Feeding : jellyfish, plankton, small animals

Environment : coral reefs, warm waters from 1 to 30m deep