Under the sea.

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56

Humpback whale by gina

52

Green Sea Turtle by NOAA’s National Ocean Service on Flickr.

Hannah Fraser swims dressed as a mermaid with humpback whales off Vava’u Island, Tonga, to raise awareness of marine life and oppose whale hunting. Photos by Ted Grambeau

86

Caribbean reef sharks by Arctic Al

58

Atlantic spotted dolphin / Bimini, Bahamas by Arctic Al

500

Great white shark portrait by George Probst on Flickr.

12

Bumphead parrots by Deep Bubble on Flickr.

32

Raft of California Sea Lions in Channel Islands National Park by Lee Rentz on Flickr.

45

Irene and a littler Reaper Cuttle fish by billunder on Flickr.

59

IMG_3174 by Joaquin Gutierrez Fernandez on Flickr.

66

IMG_8741 by Joaquin Gutierrez Fernandez on Flickr.

66

Juve fishin’ by Luko Gecko on Flickr.

Chromodoris Coi Nudi - Raja Ampat - April 2013 by Ludovic

142

Turtles and snorkelers by bluewavechris

22

Gorgonian Fan Bush Rangers Bay by billunder on Flickr.