Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or "basket stars". About 1,500 species of starfish occur on the seabed in all the world's oceans, from the tropics to ...
Discover the amazing abilities of a familiar sea creature. Learn how a starfish survives with no brain.
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starfish (plural starfishes or starfish). Any of various asteroids or other echinoderms (not in fact fish) with usually five arms, many of which eat bivalves or corals by everting their stomach. (vulgar, slang, usually in translations of Japanese pornography) an anus. See also chocolate starfish. (obsolete) Any many-armed or ...
Feb 17, 2018 ... Most starfish possess a crude eye at the tip of each arm. These compound eyes contain multiple lenses called ommatidia, each creating one pixel of the total image the animal sees. Tropical starfish eyes have been shown to be capable of forming crude images, which allow these animals to stay close to ...
Mar 5, 2018 ... Extreme weather led to starfish mass strandings along beaches in Kent and East Yorkshire.