Gray reef sharks, Carcharhinus amblyrhynchos, circle under boat, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific. (rr)

Large diversity of soft and hard corals growing over the external structure of the Shinkoku Maru, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

Split image of staghorn coral, Acropora sp., and island, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

Gray reef shark, Carcharhinus amblyrhynchos, approaches reef to get cleaned by wrasse, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific. (rr)

Split image of staghorn coral, Acropora sp., and island, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

Split image of staghorn coral, Acropora sp., and island, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

Mast encrusted with soft coral, Dendronephthya sp., Shinkoku Maru, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

Red soft coral, Dendronephthya sp., and sponges encrusted on the Fujikawa Maru, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

The camouflaged Scorpionfish, (Scorpaenopsis sp)., rests on the bow of the Fujikawa Maru encrusted with sponges corals and ascidians, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

Scyphozoan jellyfish, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific