Two Scalloped Hammerhead Sharks (Sphyrna lewini) swimming over a reef with fish, Cocos Island, Costa Rica, Middle America, Pacific Ocean

america animal animals aquatic cartilaginous chondrichthye chondrichthyes cocos costa dweller dwellers fauna fish fishes gnathostomata gnathostome gnathostomes hammerhead island jawed kingdom lewini life marine middle nature ocean ocean over pacific photo photografie photos reef rica scalloped sea seas selachii shark sharks sharks shot sphyrna swimming two underwater vertebrata vertebrate vertebrate vertebrates vertebrates wild wildlife with world worlds