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CHARACTERISTICS
*TRUE SEASTARS ARE IN THE CLASS ASTEROIDIA. THEY ARE DISTINGUISHED FROM BRITTLE STARS BECAUSE THE CENTRAL DISK NOT DISTINCTLY DELINIATED FROM ARMS, AND SEEMSCONNECTED ONE NEXT TO ANOTHER AT THE BASE.
*MOST SEASTARS IN THE CLASS ASTEROIDEA HAVE FIVE ARMS, BUT CAN HAVE AS MANY AS 42. ALL OF THESE ORGANISMS HAVE TUBE FEET WITH SUCTION CUPS.
*THERE ARE OVER 1600 SPECIES IN THE CLASS ASTEROIDEA. MOST FEED ON MOLLUSKS, BARNACLES, AND EVEN CORAL.
*UNLIKE PEOPLE AND MAMMALS, STARFISH HAVE NO CENTRAL NERVOUS SYSTEM |
Acanthaster planci
