Evasterias Verrill 1914

Mottled star feeding on cockle

feeding on Cockle

feeding on Cockle

feeding on clam

Another individual, with three symbiotic Arctonoe sp scaleworms attached. Ruler is 1 foot (30 cm). Photo by Dave Cowles, July 2005

The aboral surface has large spines (1-2 mm long) arranged singly. Smaller spines and pedicellariae are arranged in circles around the large spines. Photo by Dave Cowles, July 2005

There are no large marginal plates on the rays. The stomach can be everted, as it was shortly before this photo. Photo by Dave Cowles, July 2005

This view of the aboral side of the central disk shows the networklike system of spiny ossicles. Photo by Dave Cowles, July 2008

This individual, with individual rays from 25-30 cm long, was collected by otter trawl from 75 m depth in San Juan Channel. Notice that it has lost one ray which it is beginning to regenerate. Photo by Dave Cowles, July 2008

This individual, photographed under the Keystone ferry drawbridge, is purple in color. Photo by Dave Cowles, July 2011

Evasterias troschelii subtidal from Sares Head, WA. Ruler is 6 inches (Photo by: Dave Cowles, July 2001)