Red starfish in the Sea of Cortez


Starfish, also know as sea stars, are a class of echinoderms. The majority of the 1,500 species live in the sea, though a few can tolerate and be found in brackish water. Starfish larvae are free-swimming, while the adults live on the seabed. Most types of starfish have five arms.

Scientific name: Asteroidea

Rank: Class


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


  1. Life
  2. Animals
  3. Echinoderms
  4. Starfish

BBC News about Starfish

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