Whidbey Island Beachwatchers
 

Intertidal Organisms EZ-ID GUIDES

 

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Pycnapodia helianthoides (Sunflower star)

photo of sunflower star
Copyright © 2005 Mary Jo Adams

 

This is another sea star that's easy to identify. As the largest sea star in the Pacific Northwest, it can reach a diameter of more than 40 inches and gains rays as it grows until it has more than 20 (typically it has 24).   It is usually pink-purple or yellow-orange in color and has a rather fluffy look. Generally preferring deeper water, it occasionally gets stranded in the shallows as the tide goes out.

Pycnopodia is the T-rex of sea stars. It prefers sea urchins and bivalves but is a major predator on just about any invertebrate that wanders into its path including other sea stars.

 

This page was created by Mary Jo Adams on 11/19/05.

 

 

photo of sunflower star

photo of sunflower star

 

photo of sunflower star tubefeet