Seanet Mid/Low Intertidal

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Pisaster ochraceus (Brandt, 1835)
Phylum Echinodermata, Class Asteroidea, Order Forcipulatida, Family Asteriidae

Common sea star; arm radius to 15 cm; stout tapering arms; short white spines in reticulate pattern; color yellow, pale orange, dark brown, or purple.

Abundant, mid- to low intertidal zones & subtidal, exposed outer coast. Important predator on mussels, snails.

Geo Range: Alaska to southern California
Synonyms:
Similar species: subtidal spp.: Pisaster giganteus has blue rings around white or purple spines;  P. brevispinus is pink with small white spines.

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