TNPSC Thervupettagam

Red brittle star

January 6 , 2020 1658 days 1215 0
  • Researchers have shown that red brittle star, which are relatives of starfish, can see even though it does not have eyes.
  • The red brittle star lives in the coral reefs of the Caribbean Sea.
  • It becomes only the second creature, after a sea urchin species, known to have this ability (barring freak cases in other species).
  • The ability to see without eyes is known as extraocular vision.
  • The extraocular vision is facilitated by the photoreceptor cells found on their bodies.

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