Orbicella annularis (Boulder Star Coral) is a species of cnidarians in the family Merulinidae. They are listed as endangered by IUCN and in cites appendix ii. Dead Boulder Star Coral form shallow marine sediments. Boulder Star Coral form marine reefs. They have asexual reproduction, alternation of generations, and sexual reproduction; they are broadcast spawners. They are sessile animals.
EOL has data for 51 attributes, including: