Boulder Brain Coral
(Colpophyllia natans)
colonies form large rounded domes. The surface is covered with a convoluted system of ridges and valleys looking very much like a brain. Boulder brain coral is also commonly known as Giant Brain Coral.
Size: 2-7ft
Color: Ridges are brown and valleys are green, tan or whitish
Habitat: 20-80ft., they are often found at reef tops