Alex Mustard / Threespot damselfish (Stegastes planifrons) male guarding eggs on a coral reef. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Alex Mustard / RF - A threespot damselfish (Stegastes planifrons) aggressively defending its algae garden on a coral reef. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea. Model Released....

Claudio Contreras / Staghorn coral (Acropora cervicornis) and Threespot damselfish (Stegastes planifrons), Staghorn Coral Guanahacabibes Peninsula National Park, Pinar del Rio Province, western Cuba.

Claudio Contreras / Threespot damselfish (Stegastes planifrons) juvenile, Guanahacabibes Peninsula National Park, Pinar del Rio Province, western Cuba.

Alex Mustard / Three spot damselfish (Stegastes planifrons) guards his eggs. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Alex Mustard / Threespot damselfish (Stegastes planifrons) defending its garden of algae, Georgetown, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Pete Oxford / Three spot damselfish, juvenile (Stegastes / Pomacentrus planifrons) on Great Star coral (Montastraea cavernosa) Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Three spot damselfish (Stegastes / Pomacentrus planifrons) Bonaire, Netherlands Antilles, Caribbean

Doug Perrine / Three spot damselfish {Pomacentrus planifrons} Bahamas

Roberto Rinaldi / Juvenile threespot damselfish (Stegastes planifrons) seeking refuge in thinleaf lettuce coral (Agaricia tenuifolia), Belize

Roberto Rinaldi / Juvenile threespot damselfish (Stegastes planifrons) and some smaller Blue chromis (Chromis Cyanea) swimming among the blades in a small colony of thin lettuce coral (Agaricia tenuifolia), Lighthouse...