Liveaboard am Great Barrier Reef, Great Barrier Reef, Australia

West Indian manatee (Trichechus manatus), with sharksucker, Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Cairns in Northern Queensland, Australia, Pacific

Paul Gauguin docked in the Island of Taha'a, French Polynesia. Motu Mahana palm trees at the beach, Taha'a, Society Islands, French Polynesia, South Pacific.

Paul Gauguin docked in the Island of Taha'a, French Polynesia. Motu Mahana palm trees at the beach, Taha'a, Society Islands, French Polynesia, South Pacific.

Aerial view from side of Sawa-i-Lau Mountain with the cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji) in the distance, Sawa-i-Lau Island, Yasawa Group, Fiji Islands, South Pacific

Aerial view of passengers of the cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji) enjoying water sports along a coral reef, Yaqeta, Yangetta Island, Yasawa Group, Fiji Islands, South Pacific

The Lovo underground furnace opens to passengers of cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji) during a nightly village visit, Gunu, Naviti Island, Yasawa Group, Fiji Islands, South Pacific

Bow of cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji), Naviti Island, Yasawa Group, Fiji Islands, South Pacific

Aerial view of passengers of the cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji) enjoying water sports along coral reef, Yaqeta, Yangetta Island, Yasawa Group, Fiji Islands, South Pacific

Coconut palms and cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji) in roadstead at night, Gunu, Naviti Island, Yasawa Group, Fiji Islands, South Pacific

Happy crew member of cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji) holds hermit crab in hands, Yaqeta, Yangetta Island, Yasawa Group, Fiji Islands, South Pacific

Railings and deck on board the cruise ship MV Reef Endeavor (Captain Cook Cruises Fiji), Naviti Island, Yasawa Group, Fiji Islands, South Pacific

Scenic view of reef in Bouillante at the Jacques Yves Cousteau Underwater Preserve, Basse Terre, Guadeloupe

Hawaii, Maui, Reef Manta Ray (Manta alfredi) cruises over the shallows off Ukumehame, View from below.

Hawaii, Maui, A reef manta ray, (Manta alfredi) cruises over the shallows off Ukumehame.

Hawaii, Maui, Reef Manta Ray (Manta alfredi) cruises over the shallows off Ukumehame.

Hawaii, Maui, Schooling Bluestripe Snapper, (Lutjanus kasmira) and a diver.