WHAT'S INSIDE: MARINE LIFE

Marine life includes an incredible and vibrant array of wild animals that live in the ocean. From tiny phytoplankton to massive blue whales, marine life is a vital source of food, energy and life for the entire planet.
  • Corals & Jellies
  • Crustaceans
  • Mollusks
  • Starfish & Related Organisms
  • Other Marine Life
FEATURED: MARINE LIFE
FPO

As you observe jellyfish twirl underwater, it's difficult not to be mesmerized by their graceful movements. But if their tentacles touch your skin, you'll regret being anywhere near these gelatinous blobs.

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Why is octopus blood blue?

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