School of Scalloped Hammerhead Sharks (Sphyrna lewini) swimming in blue water, Cocos Island, Costa Rica, Middle America, Pacific Ocean

america animal animals aquatic blue cartilaginous chondrichthye chondrichthyes cocos costa dweller dwellers fauna fish fishes gnathostomata gnathostome gnathostomes hammerhead in island jawed kingdom lewini life lot lots many marine middle nature numerous ocean ocean of pacific photo photografie photos rica scalloped school sea seas selachii shark sharks sharks shot sphyrna swarm swarms swimming underwater vertebrata vertebrate vertebrate vertebrates vertebrates water wild wildlife world worlds