Alex Mustard / A long exposure renders Bar jacks (Carangoides ruber) as ghostly trails as they swim around a sponge, on a coral reef, at night. East End, Grand Cayman, Cayman Islands. Overall winner of GDT competiti...

Ernie Janes / Man feeding two Bottle-nosed dolphins (Tursiops truncatus) Marine Institute, Bay Islands, Honduras, February 2008.

Ernie Janes / Two Bottle-nosed dolphins (Tursiops truncatus) looking out of water, Marine Institute, Bay Islands, Honduras, Caribbean, February.

Ernie Janes / Two Bottle-nosed dolphins (Tursiops truncatus) looking up at man on jetty, Marine Institute, Bay Islands, Honduras, Caribbean, February 2008.

Doug Perrine / Golden hammerhead shark (Sphyrna tudes) Trinidad, West Indies, Caribbean Sea. Non-exclusive. (Non-ex).

Chris & Monique Fallows / Greater Frigate bird (Frigata minor) feeding above sailfish, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) group feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) groups feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus), Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) and Great frigate birds (Fregata minor) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Chris & Monique Fallows / Indo Pacific Sailfish (Istiophorus platypterus) feeding on sardines, Isla Mujeres, Mexico.

Robin Chittenden / Leatherback Turtle (Dermochelys coriacea) on beach to lay eggs, Trinidad, Trinidad and Tobago, April

Jeff Rotman / Tail of a Rainbow parrotfish (Scarus guacamaia) Bahamas, Caribbean.

Michael Pitts / Fishing boat aground and wrecked on the eastern side of Andros. Andros, Bahamas. May 2005

Michael Pitts / DC-3 Aircraft wreck. Drug running aircraft that crashed in shallow water. Normans Cay, Exhumas, Bahamas. May 2005

Michael Pitts / Wreck of the MS Antilla, aerial shot. Ship scuttled 10th May 1940. Aruba, Dutch Antillies.

Alex Mustard / Whale sharks (Rhincodon typus) swimming away from each other while feeding. Isla Mujeres, Quintana Roo, Yucatan Peninsular, Mexico. Caribbean Sea.

Alex Mustard / Male Yellow-headed jawfish (Opistognathus aurifrons) blows out the clutch of eggs he is incubating in his mouth to oxygenate them. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbea...

Alex Mustard / Egg sacs of a female lionfish (Pterois volitans). Females can produce two large sacs filled with 1000s of eggs every 3-4 days. A large, well-fed, female lionfish can produce 2 million eggs per year. L...

Alex Mustard / Skin of a nurse shark (Ginglymostom cirratum) showing the rough placoid scales, commonly called denticles. These scales have the same structure as the shark's teeth and are as rough as sandpaper when...

Alex Mustard / Partly disected female lionfish (Pterois volitans) showing stomach contents of nine small reef fish and a shrimp. Two large egg masses are also visible. Although native to the Indo-Pacific, this lionf...

Alex Mustard / Tiny Arrow Blenny (Lucayablennius zingaro) tail cocked ready to send its streamlined body shooting forward to catch its prey. Seven Mile Beach, Grand Cayman, Cayman Islands, British West Indies. Carib...

Alex Mustard / Lionfish (Pterois volitans) fritters offered as an after dive snack. Lionfish are native to the Indo-Pacific, but introduced to the Caribbean Sea from aquariums, they are now widespread, abundant and...

Alex Mustard / Culled invasive lionfish (Pterois volitans). These lionfish are from a single day of culling, coordinated by the Cayman Islands Department of Environment, collected by 6 local divers from three dive s...

Alex Mustard / Culled invasive lionfish (Pterois volitans) these lionfish are from a single day of culling, coordinated by the Cayman Islands Department of Environment, collected by 6 divers from three dive sites. L...

Alex Mustard / Pair of divers prepare to surface after an invasive lionfish (Pterois volitans) culling dive. With collecting tubes filled, final lionfish are brough to the surface on hand spears. Lionfish are native...

Alex Mustard / Culled invasive lionfish (Pterois volitans) on a hand spear. Lionfish are native to the Indo-Pacific, but introduced to the Caribbean Sea from aquariums, they are now widespread, abundant and a proble...

Alex Mustard / Diver (Steve Braodbelt) prepares to spear Male lionfish (Pterois volitans). Indo-Pacific lionfish are an invasive species on Caribbean reefs and are hunted under license to keep their population and t...

Alex Mustard / Diver with a speared lionfish (Pterois volitans). Indo-Pacific lionfish are an invasive species on Caribbean reefs and are hunted under license to keep their population and therefore predation level l...

Alex Mustard / Divers pose with the log of culled invasive lionfish (Pterois volitans), from three dive sites. Lionfish are native to the Indo-Pacific, but introduced to the Caribbean Sea from aquariums, they are no...

Alex Mustard / Culled lionfish (Pterois volitans) stored in Cooler with ice so that they can be supplied to restaurants. Lionfish are native to the Indo-Pacific, but introduced to the Caribbean Sea from aquariums, t...

Alex Mustard / Diver re-sharpens the points of his lionfish (Pterois volitans) hand spear. Lionfish are native to the Indo-Pacific, but introduced to the Caribbean Sea from aquariums, they are now widespread, abunda...

Alex Mustard / Culled lionfish (Pterois volitans) stored in cooler with ice so that they can be supplied to restaurants. Lionfish are native to the Indo-Pacific, but introduced to the Caribbean Sea from aquariums, t...

Alex Mustard / Group of smaller male Tarpon (Megalops atlanticus) rub along the flanks of a larger female during courtship as they swim over Coral reef. George Town, Grand Cayman, Cayman Islands, British West Indies...

Alex Mustard / A large Rainbow Parrotfish (Scarus guacamaia) sleeps at night inside the wreck of the Oro Verde. Seven Mile Beach, Grand Cayman, Cayman Islands, British West Indies.

David Fleetham / Common bottlenose dolphin (Tursiops truncatus) bottling at water surface, Curacao, Netherlands Antilles, Caribbean, Carribbean sea.