Boulder Brain Coral

| Name: | Boulder Brain Coral |
| Scientific Name: | Colpophyllia natans |
| Family: | Closed Brain Corals |
| Taxonomic: | Mussidae |
| ID Group: | Corals, Algae |
| Size: | up to 8 ft. |
| Depth Range: | Various depths (0 – 130 ft.) |
| Sightings: | Seen often |
This Coral forms large domes or plates with distinctive ridges and valleys. The ridges are usually brown, while the valleys are green or white, with grooves running along the tops.