1116-41494 - Slate pencil sea urchins (Heterocentrotus mammillatus) colour the hard coral in this Hawaiian reef scene with three free divers, Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America
1116-41496 - Two young women free diving with black triggerfish (Melichthys niger), Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America
1116-41495 - Slate pencil sea urchins (Heterocentrotus mammillatus) colour the foreground of this Hawaiian reef scene with a young woman free diving with black triggerfish (Melichthys niger), Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America
1116-41500 - Two men free diving over a Hawaiian hard coral reef with slate pencil sea urchins (Heterocentrotus mammillatus), Hawaii, United States of America
1116-41507 - A split image of a pair of humpback whales (Megaptera novaeangliae) underwater in front of the West Maui Mountains just south of Lahaina, Maui, Hawaii, United States of America
1116-41503 - A group of divers and a manta ray (Manta alfredi) on one of the corners of the Backwall at Molokini Marine Preserve, Maui, Hawaii, United States of America
1116-41508 - A look at the bump-like knobs known as tubercles on the top of the head of a Humpback whale (Megaptera novaeangliae). Each protuberance contains at least one stiff hair. The purpose of these hairs is not known, though they may provide the whale with a sense of 'touch', Hawaii, United States of America
1116-41497 - A young woman free diving with black triggerfish (Melichthys niger), Molokini Marine Preserve off the island of Maui, Maui, Hawaii, United States of America
1116-41392 - A mother and calf pair of humpback whales (Megaptera novaeangliae) at the surface of the water off the island of Maui, Hawaii, United States of America
1116-41396 - Cichlids school around an endangered Florida Manatee (Trichechus manatus latirostris) at Three Sisters Spring. The Florida Manatee is a subspecies of the West Indian Manatee, Crystal River, Florida, United States of America
1116-41398 - Endangered Florida Manatee mother and calf (Trichechus manatus latirostris) gather at Three Sisters Spring. The Florida Manatee is a subspecies of the West Indian Manatee, Crystal River, Florida, United States of America
1116-41395 - A split image of four endangered Florida Manatee (Trichechus manatus latirostris) resting on the sandy bottom at Three Sisters Spring. The Florida Manatee is a subspecies of the West Indian Manatee, Crystal River, Florida, United States of America
1116-41403 - Molokini Crater, aerial shot of the crescent shaped islet at mid-morning with charter boats, Kihei, Maui, Hawaii, United States of America
1116-41397 - Endangered Florida Manatee (Trichechus manatus latirostris) at Three Sisters Spring. The Florida Manatee is a subspecies of the West Indian Manatee, Crystal River, Florida, United States of America
1116-41399 - This green sea turtle (Chelonia mydas), an endangered species, is passing under Lone Tree Arch, a dive site on the Kona Coast, Kona, Island of Hawaii, Hawaii, United States of America
1116-41391 - The island of Lanai is in the background of this breaching Humpback whale (Megaptera novaeangliae), Lanai, Hawaii, United States of America
1116-40067 - Harvesting fish from net pens belonging to Kampachi Farms offshore of Kona, the Big Island, Hawaii, during the summer, Island of Hawaii, Hawaii, United States of America
1116-40055 - Milletseed Butterflyfish (Chaetodon citrinellus) in a tight school off Kauai, Hawaii, during the spring, Kauai, Hawaii, United States of America
1116-39998 - Diver and a well camouflaged Commerson's frogfish (Antennarius commersoni) perched at the bow of the wreck of the Alma Jane off Sabang Beach, Puerto Galera, Mindoro, Philippines.