Juvenile emperor angelfish, Pomacanthus imperator, Dumaguete, Negros Island, Philippines PIDUW0121

Pod of spinner dolphins, Stenella longirostris, surface to breathe, Big Island, Hawaii, USA

Pennant butterflyfish, juvenile, schooling Heniochus diphreutes, Portlock, Oahu, Hawaii (N. Pacific)

Bottlenose dolphins, Tursiops truncatus, swimming in open ocean, St. Peter and St. Paul's rocks, Brazil, Atlantic Ocean

Pohnpei, Federated States of Micronesia

Devil ray, Mobula tarapacana, St. Peter and St. Paul's rocks, Brazil, Atlantic Ocean

Spinner dolphins Stenella longirostris, Big Island, Hawaii, USA

Whale shark, Rhincodon typus, Quintana-Roo, Mexico, Caribbean Sea

Queen angelfish, Holacanthus ciliaris, endemic blue morphotype, St. Peter and St. Paul's rocks, Brazil, Atlantic Ocean

Large school of black triggerfish, Melichthys niger, Hanauma Bay, Oahu, Hawaii

Spinner dolphin, Stenella longirostris, Kona, Hawaii, USA

Florida manatee, Trichechus manatus latirostris, surfaces to breathe, Crystal River, Florida, USA

Jellyfish at night, Kona, Hawaii, USA

Bigeye barracuda, Sphyraena forsteri, schooling, Ailuk atoll, Marshall Islands, Pacific

Pohnpei, Federated States of Micronesia

Florida manatee, Trichechus manatus latirostris, Crystal River, Florida, USA

Split image of Spinner dolphins Stenella longirostris, and cliff, Big Island, Hawaii, USA

Short-finned pilot whale, Globicephala macrorhynchus, Kailua-Kona, Hawaii

Florida manatee, Trichechus manatus latirostris, Crystal River, Florida, USA

Pohnpei, Federated States of Micronesia

Galapagos sharks, Carcharhinus galapagensis, Oahu, Hawaii