Orbicella annularis (Boulder Star Coral) is a species of cnidarians in the family Merulinidae. It has a crustose growth form. It is listed in CITES Appendix II. Boulder Star Coral form marine reefs. It is a photosymbiotroph. It has alternation of generations and asexual reproduction; it is a broadcast spawner and a hermaphrodite. Boulder Star Coral is a sessile animal.
EOL has data for 51 attributes, including: