Short Spined Sea Star

Short Spined Sea Star

Pisaster brevispinus

Physical Description

The Short Spined Sea Star boasts an arm radius that can extend up to 32 cm, characterized by a pink hue adorned with small, short white spines. It is recognized as the largest species within the Pisaster genus.


Commonly found on sandy or muddy substrates, although occasionally sighted on rocky surfaces.

Geographical Range

From Sitka, Alaska, down to San Diego, California, the Short Spined Sea Star inhabits a vast stretch of the eastern Pacific coast.


This species preys on a diverse array of marine organisms, including various bivalves, burrowing snails like Callianax, and sand dollars such as Dendraster.