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

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

Pete Oxford / Male Giant damselfish in breeding colours. Galapagos {Microspathodon dorsalis}

Joel Sartore / Photo Ark / Jewel damselfish (Microspathodon chrysurus) portrait, Albuquerque BioPark Aquarium. Captive, occurs in Caribbean Sea.

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

Claudio Contreras / Yellowtail damselfish (Microspathodon chrysurus) juvenile, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico, May

Alex Mustard / Staghorn coral (Acropora cervicornis) spawning at night in late summer, with a sleeping Yellowtail damselfish (Microspathodon chrysurus) inside. East End, Grand Cayman, Cayman Islands, British West In...