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In photos:

In photos: Life underwater

27 Apr 2017

Keywords

  • antarctica
  • biodiversity
  • dugongs
  • great barrier reef
  • marine species
  • marine turtles
  • penguins
  • queensland
  • sharks
  • threatened species
  • western australia
  • whales

Our oceans contain some of the richest, most diverse life on Earth, from the largest animal that has ever lived to the smallest bacteria. Oceans provide about 99% of the living space on the planet and most forms of life initially evolved there. Yet it's a mystery to us with still millions of marine species yet to be documented.

 

Emperor penguins (Aptenodytes forsteri) diving, Ross Sea, Antarctica © National Geographic Creative / Paul Nicklen / WWF

A large, great hammerhead shark (Sphyrna mokarran), about 4m in length, cruising © naturepl.com / Alex Mustard / WWF

A dugong (Dugong dugon) swimming in the sea. Gentle vegetarians, they look like a walrus and are related to the elephant. © istockphoto.com / WWF

A green sea turtle (Chelonia mydas) swimming off Heron Island Research Station, Queensland © WWF / James Morgan

Spine-cheeked anemonefish (Premnas biaculeatus), also known as the maroon clownfish, swimming through bubble-tip anemone (Entacmaea quadricolor) © Lucas Handley / WWF-Aus

A humphead Maori wrasse (Cheilinus undulatus) on the Great Barrier Reef, Cairns © WWF / James Morgan

Clam (Tridacna sp.), close-up. Fiji. Big and beautiful and alluring, once a giant clam chooses a place on the reef and attaches, it's there for good. In some cases that means over 100 years © Cat Holloway / WWF

Whale shark (Rhincodon typus), Ningaloo Reef. If you look closely you can see WWF’s Oceans Communications Manager, Paul Gamblin, swimming beside this magnificent creature © Darren Jew / WWF-Aus

Southern calamari (Sepioteuthis australis). Photo taken at Little Bay, Sydney, during an Earth Hour dive © Lucas Handley / WWF-Aus

Southern right whale (Eubalaena australis) underwater off the Auckland Islands, New Zealand © Brian J. Skerry / National Geographic Stock / WWF

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Two Adelie penguins (Pygoscelis adeliae) on iceberg, Antarctica © naturepl.com / Edwin Giesbers / WWF

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