Cyphastrea microphthalma (Lesser Knob Coral) is a species of cnidarians in the family Merulinidae. It has a crustose growth form. It is listed in CITES Appendix II. Lesser Knob Coral form marine reefs. It is a photosymbiotroph. Individuals can grow to 286 µm. Lesser Knob Coral has alternation of generations, asexual reproduction, and sexual reproduction; it is a broadcast spawner and a hermaphrodite. It is a sessile animal.
EOL has data for 39 attributes, including: