Spotted eagle ray, Aetobatus narinari, Ailuk atol, Marshall Islands, Pacific

Fully mature napoleon wrasse, Cheilinus undulatus, swims next to schooling blackfin barracuda, Sphyraena qenie, Blue corner, Palau, Micronesia

Hawksbill turtle, Eretmochelys imbricata, St. Peter and St. Paul's rocks, Brazil, Atlantic Ocean

Spinner dolphins Stenella longirostris, Big Island, Hawaii, USA

MIDUW0459b

Tawny nurse shark, Nebrius ferrugineus, hovering over sand flat, Ailuk atoll, Marshall Islands, Pacific

Pair of great barracudas, Sphyraena barracuda, Ressurreta, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil (South Atlantic)

16Jun06 UW Chuuk 227b

Gray reef sharks, Carcharhinus amblyrhynchos, glide over reef, Chuuk, Federated States of Micronesia, Pacific

Southern stingray, Dasyatis americana, Ponta da Sapata, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil (S. Atlantic)

Spinner dolphins Stenella longirostris, near surface, Big Island, Hawaii, USA

Pod of spinner dolphins, Stenella longirostris, playing, Big Island, Hawaii, USA

Spinner dolphins Stenella longirostris, Big Island, Hawaii, USA

Spinner dolphins Stenella longirostris, Big Island, Hawaii, USA

Humpback whales, Megaptera novaeangliae, offshore, North Pacific

ed06Aug11 UW Kona 1163

Manta ray at night, Manta birostris, Kailua-Kona, Hawaii, North Pacific

16Jun06 UW Chuuk 238b

Gray reef sharks, Carcharhinus amblyrhynchos, glide over reef, Chuuk, Federated States of Micronesia, Pacific

ed bw 4Aug12 Turtle beach 0465

Green sea turtles, Chelonia mydas, at Laniakea or Turtle Beach, Oahu, Hawaii, USA