Gray reef sharks (Carcharhinus amblyrhynchos) circle under boat, Truk lagoon, Chuuk, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Short-beaked Common Dolphins (Delphinus delphis) attacking a Bait Ball (Sardines or Anchovies). Azores, Portugal. Atlantic Ocean.

Aerial of Basking Sharks (Cetorhinus maximus). Gulf of Maine, USA. (rr)

Aerial of Tuna fish. Gulf of Maine, USA. (rr)

Great Barracuda (Sphyraena barracuda), large school of fish swimming in formation, Sipidan, Mabul, Malaysia.

Gray reef sharks (Carcharhinus amblyrhynchos) circle under boat, Truk lagoon, Chuuk, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Caribbean reef shark (Carcharhinus perezii), near surface, photographed from underneath, Bahamas, Caribbean.

Gray reef sharks (Carcharhinus amblyrhynchos) circle under boat, Truk lagoon, Chuuk, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Diver and giant Trevally. Sipadan, Malasyia

Diver and Black Striped Salema - Xenocys jessiae. Galapagos, Pacific Ocean

Male Bluegill Triggerfish (Xanthichthys auromarginatus) with an erect spinous dorsal fin photographed under water off Maui, Hawaii, USA. He was circling above his prepared spawning area suggesting that this is a courtship display; Maui, Hawaii, United States of America

cownose ray rays schooling circling dive site Galapagos Islands

cownose ray rays schooling circling dive site Galapagos Islands