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

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...

Henley Spiers / Giant damselfish (Microspathodon dorsalis) male, protecting its nest during breeding season from attack by hungry Cortez rainbow wrasse (Thalassoma lucasanum) initial phase and one in terminal phase,...

Claudio Contreras / Giant damselfish (Microspathodon dorsalis) swimming through coral reef. Huatulco Bays National Park, Oaxaca state, Mexico, Pacific Ocean. November.

Claudio Contreras / Giant damselfish (Microspathodon dorsalis) close up. Huatulco Bays National Park, Oaxaca state, Mexico, Pacific Ocean. November.

Claudio Contreras / Giant damselfish (Microspathodon dorsalis) juvenile, Punta Gorda, south of El Tecolote, Gulf of California (Sea of Cortez), Mexico, September

Claudio Contreras / Giant damselfish (Microspathodon dorsalis) guarding egg mass, Coronado Island, Loreto Bay National Park, Gulf of California (Sea of Cortez), Mexico, August

Claudio Contreras / Giant damselfish (Microspathodon dorsalis) guarding egg mass, Coronado Island, Loreto Bay National Park, Gulf of California (Sea of Cortez), Mexico, August