Sea Stars Of The Pacific North West

Class Asteroidea
Order Forcipulatida
Family Asteriidae

RAINBOW STAR

Orthasterias koehleri

Identification:
5 very long tapering arms. Small central disc. Cream banded with red. Spines white or purple with dense wreaths of pincers surrounding them. To 60 cm (24 in) across.

Range:
Aleutian Islands, Alaska, to southern California; intertidal to 283 m (928 ft)*.
Notes:
On soft bottoms, specializes in eating the thick-shelled clam KENNERLEY'S VENUS Humilaria kennerleyi. On rocky bottoms it eats green false-jingles, tunicates, lampshells and chitons.