Fred Bavendam / Giant Damselfish (Microspathodon dorsalis) male guarding eggs laid on a rock ledge Galapagos Islands, Ecuador

Alex Mustard / Yellowtail damselfish (Microspathodon chrysurus) guards eggs laid on a sea rod coral. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Claudio Contreras / Giant damselfish (Microspathodon dorsalis), San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Claudio Contreras / Giant damselfish (Microspathodon dorsalis) juvenile, San Agustin Bay, Huatulco Bays National Park, southern Mexico, November

Alex Mustard / Colony of Elkhorn coral (Acropora palmata) growing on a coral reef and making a home for Yellowtailed damselfish (Microspathodon chrysurus). The growth in this photo represents 12 year's growth since...

Franco Banfi / Giant Damselfish (Microspathodon dorsalis), Los Islotes, Sea of Cortez, Baja California, Mexico, East Pacific Ocean

Claudio Contreras / Giant Damselfish (Microspathodon dorsalis), Socorro Island, Revillagigedo Archipelago Biosphere Reserve / Archipielago de Revillagigedo UNESCO Natural World Heritage Site (Socorro Islands), Pacific Oc...

Alex Mustard / Portrait of an intermediate stage Yellowtail damselfish (Microspathodon chrysurus), this species changes colour during its life to avoid intraspecies aggression. East End, Grand Cayman, Cayman Islands...

Pete Oxford / Yellowtail damselfish, juvenile (Microspathodon chrysurus) Bonaire, Netherlands Antilles, Caribbean

Fred Bavendam / Giant Damselfish (Microspathodon dorsalis) male guarding eggs laid on a rock ledge Galapagos Islands, Ecuador

Fred Bavendam / Giant Damselfish (Microspathodon dorsalis) male guarding eggs laid on a rock ledge Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) grazing on algae near Yellowtail Damselfish (Microspathodon chrysurus), Sullivan Bay, Santiago Island, Galapagos Islands, Ecuador