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44 results found

Whitetip reef sharks (Triaenodon obesus) resting on the ocean floor, Hawaii, United States of America, Pacific, North America

Coral substrate forming an underwater cave, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Cave coral (Tubastrea sp.) (Dendrophyllidae) polyps extended and feeding at night, Queensland, Australia, Pacific

Snorkelers swim above a blue hole on Palau's barrier reef. This hole formed when sea level was much lower than it is today.

Looking down into the Los Peces fresh water cave near Playa Giron, Matanzas Province, Cuba, West Indies, Caribbean, Central America

A diver shines a light in on a cavern filled with glassy sweepers (Pempheris schomburgkii) at Molasses Reef in Key Largo, Florida.

A young married couple celebrate their ten year anniversary by scuba diving in the clear freshwaters of Devil's Den Springs, a sinkhole in Williston, Florida, as the afternoon sun filters down into the cavern.

A scuba diver swims through an underwater field of tape grass leading away from the Blue Springs cave in Merritts Mill Pond in Marianna, Florida.

A scuba diver surfacing and looking up into the light as he ascends from the bottom of Devil's Den, a sinkhole in Williston, Florda.

A technical cave diver using a diver propulsion vehicle (DPV) to dive into the Blue Springs state park cave system near Marianna, Florida.

A scuba diver ascends into the light emanating above through the sink hole into the clear freshwaters of Devil's Den cave near Williston, Florida.

A Peninsula Cooter turtle (Pseudemys peninsularis) looking up and positioned on the sandy bottom of the Morrison Springs cavern at 80 feet deep in the fresh clearwaters of the State Park near Red Bay, Florida.

An adult American Eel (Anguilla rostrata) prowls along the edge of the Morrison Springs cavern at 85 feet deep watching over the adolescent eels in the clear freshwaters of the state park near Red Bay, Florida.

Underwater photographer at the entrance of a cave framed by pink barrel sponges, North Sulawesi, Indonesia.

Diver enters the cavern system at Chac Mool cenote in the Riviera Maya area of Mexico's Yucatan Peninsula.

Two scuba divers in the Garden of Eden cavern part of the cenote system on the Yucatan Peninsula of Mexico.

Scuba diver in the Garden of Eden cavern part of the cenote system on the Yucatan Peninsula of Mexico.

A snorkeler explores the fresh water grotto formations at Makatea, Tuamotus, French Polynesia, South Pacific, Pacific

A snorkeler explores the fresh water grotto formations at Makatea, Tuamotus, French Polynesia, South Pacific, Pacific

A snorkeler explores the fresh water grotto formations at Makatea, Tuamotus, French Polynesia, South Pacific, Pacific

Scuba diver explores underwater cones in cave, Anhumas abyss, Bonito, Mato Grosso do Sul, Brazil, South America

Scuba divers explore underwater cones in cave, Anhumas abyss, Bonito, Mato Grosso do Sul, Brazil, South America

red Ridged Clinging Crab (Mithrax forceps) nice profile of crab's head and claws in a small dark cavern, Cayman Brac, Cayman Islands, Caribbean

Glass fish in cave (Parapriacanthus guentheri), large school of fish swimming behind red coral sea fan with dark background,Mabul, Borneo, Malaysia, South China Sea

Whitetip reef shark (Triaenodon obesus) swimming in cave, Puerto Galera, Mindoro, Philippines, Southeast Asia, Asia

Scuba diver explores underwater cones in cave, Anhumas abyss, Bonito, Mato Grosso do Sul, Brazil, South America

Scuba divers explore underwater cones in cave, Anhumas abyss, Bonito, Mato Grosso do Sul, Brazil, South America

Scuba diver explores underwater cones in cave, Anhumas abyss, Bonito, Mato Grosso do Sul, Brazil, South America