Pisaster ochraceus is an important species in the intertidal. In fact, it was a paper written about this species in 1966 that coined the term “keystone species.” They vary in color from purple to orange, and can often be found noshing on mussels while snuggling together.

This sticker measures 4.5” x 3” and is printed with a clear border.

Stickers ship for free from my site, and are delivered via standard mail (USPS).