Red and purple sea urchins on the seabed

Sea urchins

Sea urchins are a class of marine animals that live on the seabed or burrow into the sand. Those that live on rocky seabeds are spherical and have prominent, protective spines. Those that live on, or burrowed into, soft sand are heart-shaped or flattened, like the sand dollar, and have short spines that make them look furry.

Scientific name: Echinoidea

Rank: Class

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Distribution

The Sea urchins can be found in a number of locations including: Great Barrier Reef. Find out more about these places and what else lives there.

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Classification

  1. Life
  2. Animals
  3. Echinoderms
  4. Sea urchins

BBC News about Sea urchins

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