DAVID TIPLING / Silhouette of Carrion Crows {Corvus corone} perching on a dead tree at dawn, Kent, UK

Alex Mustard / Staghorn coral (Acropora cervicornis) growing on a coral reef and creating a home for Blue chromis (Chromis cyanea). East End, Grand Cayman, Cayman Islands. British West Indies. Caribbean Sea

Tony Wu / Fusilier damselfish (Lepidozygus tapeinosoma) swarming over large staghorn coral (Acropora sp) Carl's Ultimate dive site in the Eastern Fields of Papua New Guinea.

Pete Oxford / Staghorn damsel (Amblyglyphidodon curacao) Rainbow Reef, Fiji, South Pacific.

Norbert Wu / Anthias (Anthias sp) and Damselfish (Chromis sp) school among staghorn coral and sea fans, Bali, Indonesia

Floris van Breugel / Humbug dascyllus (Dascyllus aruanus) guarding his patch of staghorn coral in a shallow lagoon on Ofu, American Samoa. January. The window of sky above is a result of the phenomenon known as Snell's W...

Tim Laman / Table top corals (Acropora hyacinthus) and Staghorn corals (Acropora cervicornis) with schools of Damselfish (Pomacentridae) Raja Ampat, Indonesia, May 2007

Fred Bavendam / Staghorn Coral (Acropora robusta) and several species of small Damselfish (Chromis sp), Great Barrier Reef, Australia

Fred Bavendam / Reticulated Dasycllus (Dascyllus reticulatus) and several other kinds of small reef fish hover above a colony of Staghorn Coral, Bali, Indonesia

Fred Bavendam / Reticulated Dascyllus (Dascyllus reticulatus) and several kinds of Cardinalfish hover about a colony of Staghorn Coral, Indonesia

Fred Bavendam / Threespot Damselfish (Eupomacentrus planifrons) living amidst Staghorn Coral (Acropora cervicornis) fish kills Coral polyps and feeds on algae, Venezuela

Fred Bavendam / Threespot Damselfish (Eupomacentrus planifrons) living amidst Staghorn Coral (Acropora cervicornis) fish kills Coral polyps and feeds on algae, Venezuela

Gary Bell/ Oceanwide / Damselfish (Pomacentrus sp) pair in bleached Stony Coral (Acropora sp), Heron Island, Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Damselfish (Pomacentrus sp) group in bleached Stony Coral (Acropora sp), Heron Island, Great Barrier Reef, Australia

Norbert Wu / Golden Damselfish (Amblyglyphidodon aureus) above Stony Coral (Acropora sp), Papua New Guinea

Norbert Wu / Anthias (Anthias sp) and Damselfish (Chromis sp) school among staghorn coral and sea fans, Bali, Indonesia

Norbert Wu / Anthias (Anthias sp) and Damselfish (Chromis sp) school among staghorn coral and sea fans, Bali, Indonesia

Norbert Wu / Anthias (Anthias sp) and Damselfish (Chromis sp) school among staghorn coral and sea fans, Bali, Indonesia

Nature Production / School of Blue Green Chromis {Chromis viridis} near staghorn coral, Zamami Islands, Okinawa, Japan

Fred Bavendam / Freckled Hawkfish (Paracirrhites forsteri) hoping to grab a juvenile Damselfish (Chromis sp) on a staghorn coral colony, Manado, North Sulawesi, Indonesia

Alex Mustard / Rich coral garden with hard corals (plate coral: Montipora sp.; staghorn coral: Acropora sp.) and lots of Lemon damselfish (Pomacentrus moluccensis). Ruvus Island, Piaynemo Island, Raja Ampat, West Pa...

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...

Sirachai Arunrugstichai / Healthy Staghorn corals (Acropora sp.) with various reef fishes, including Moon wrasses (Thalassoma lunare), and Threespot dascyllus (Dascyllus trimaculatus) and a large school of Bigeye snappers (Lut...

Alex Mustard / Diver swimming over a coral reef with Staghorn coral (Acropora cervicornis) with Blue chromis (Chromis cyanea) and Spotted scorpionfish (Scorpaena plumieri). East End, Grand Cayman, Cayman Islands, Br...

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