*Trachy is 4-5″ when fully open!

Common Names: Open brain coral, folded brain coral, crater coral

Phylum: Cnidaria

Class: Anthozoa

Order: Scleractinia

Family: Trachyphyllidae

Range: Throughout the Tropical Indo-Pacific and Red Sea

Natural Environment: Initially, this photosynthetic stony coral with large fleshy polyps is attached while quite immature to hard substrates of various kinds. As it grows in weight and size, it breaks free and becomes a free-living coral. Adults are often found on muddy lagoo.