Marbled grouper mass spawning in French Polynesia

Family pod of bottlenose dolphins

A day at the office for Dr. Sylvia Earle at Jardines de la Reina, Cuba

Under the jetty in Fakarava, French Polynesia

Komodo national park, Indonesia

Surgeon fish under a table coral

Jackass penguins hunting a baitball of anchovies, South Africa

Tubbataha reef, Philippines

Tubbataha reef, Philippines

Tubbataha reef, Philippines

Diver exploring a gorgonian garden, Tubbataha reef, Philippines

Tubbataha reef, Philippines

Underwater volcano at Pulau Weh, Aceh, with water at 35 degrees C and bubbling like a jacuzzi

California sealion