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.

Claudio Contreras / Bicolor damselfish (Stegastes partitus), Guanahacabibes Peninsula National Park, Pinar del Rio Province, western Cuba.

Claudio Contreras / Bicolor damselfish (Stegastes partitus) and Smooth flower coral (Eusmilia fastigiana) colony, Guanahacabibes Peninsula National Park, Pinar del Rio Province, western Cuba.

Claudio Contreras / Bicolor damselfish (Stegastes partitus), Guanahacabibes Peninsula National Park, Pinar del Rio Province, western Cuba.

Claudio Contreras / Beaugregory Damselfish (Stegastes leucostictus), Cienaga de Zapata National Park, Matanzas Province, Cuba.

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

Alex Mustard / White-tail damselfish (Stegastes leucorus) juvenile over coral. Cape Marshall, Isabela Island, Galapagos National Park, Galapagos Islands. East Pacific Ocean.

Claudio Contreras / Cortez damselfish (Stegastes rectifraenum), Espiritu Santo National Park, Sea of Cortez (Gulf of California), Mexico, February

Claudio Contreras / Cortez Damselfish (Stegastes rectifraenum), Espiritu Santo National Park, Sea of Cortez (Gulf of California), Mexico, February

Claudio Contreras / Cortez Damselfish (Stegastes rectifraenum) and Yellow Seastar (Pharia pyramidata), Espiritu Santo National Park, Sea of Cortez (Gulf of California), Mexico, February

Claudio Contreras / Beaubrummel (Stegastes flavilatus) juvenile, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Claudio Contreras / Acapulco damselfish (Stegastes acapulcoensis), San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Claudio Contreras / Beaubrummel (Stegastes flavilatus) juvenile, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Claudio Contreras / Acapulco damselfish (Stegastes acapulcoensis) in coral San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Claudio Contreras / Acapulco damselfish (Stegastes acapulcoensis) juvenile with blue sponge, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Claudio Contreras / Clarion Damselfish (Stegastes redemptus, IUCN Vulnerable, Socorro Island, Revillagigedo Archipelago Biosphere Reserve / Archipielago de Revillagigedo UNESCO Natural World Heritage Site (Socorro Island...

Claudio Contreras / Whitetail Damselfish (Stegastes leucorus) juvenile, IUCN Vulnerable, Socorro Island, Revillagigedo Archipelago Biosphere Reserve / Archipielago de Revillagigedo UNESCO Natural World Heritage Site (Soc...

Alex Mustard / A clutch of longfin damselfish (Stegastes diencaeus) eggs, on a coral reef. Cayman Brac, Cayman Islands. Caribbean Sea.

Alex Mustard / Male Longfin damselfish (Stegastes diencaeus) guarding his eggs, laid on an old gorgonian stem, now colonised by fire coral. Bucaneer Reef, Cayman Brac, Cayman Islands. Caribbean Sea.

Georgette Douwma / Queen angelfish (Holocanthus ciliaris) feeding on sponge, whilst a Dusky damselfish (Stegastes adustus), a very territorial fish, tries to chase it away. Bonaire, Netherlands Antilles, Caribbean, Atl...

Georgette Douwma / Whitespotted filefish (Cantherhines macrocerus) feeding on sponge with territorial Dusky damselfish (Stegastes adustus) trying to chase it away. Bonaire, Netherlands Antilles, Caribbean, Atlantic Oc...

Claudio Contreras / Cortez damselfish (Stegastes rectifraenum) juvenile, Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Claudio Contreras / Cortez damselfish (Stegastes rectifraenum) juvenile, Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Visuals Unlimited / White-tail Damselfish head (Stegastes leucorus beebei) endemic to the Galapagos, Ecuador.

Alex Mustard / Portrait of a Beaugregory fish (Stegastes leucostictus) in shallow water, 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

Pete Oxford / Bicolor damselfish (Stegastes partitus) and Great star coral (Montastraea cavernosa) Bonaire, Caribbean

Doug Perrine / Cocoa damselfish {Pomacentrus / Stegastes variabilis} juvenile amongst sponges on oil rig, Gulf of Mexico, Caribbean

Doug Perrine / Three spot damselfish {Pomacentrus planifrons} Bahamas

Pete Oxford / Rainbow wrasse {Thalassoma lucasanum} + Damselfish {Stegastes sp} Galapagos

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...