Strongylocentrotus franciscanus  (Red Sea Urchin)

© Aaron Baldwin (Photo ID #2177)

Photographer's Submitted Details

Photo Location	John Brown's Beach, Sitka Sound, Alaska
Photographer	Aaron Baldwin
Habitat	On boulders in the lowest intertidal and subtidal
Photo Date
Upload Date	October 23, 2007
Elevation (m)
Latitude
Longitude
Photo ID #	2177
Comments	The largest of the Eastern Pacific urchins, the red urchin is only occasionally encountered in the low intertidal. Purple forms may be confused with the purple urchin, S. purputaus, but can be distinguished by the larger size and longer spines. Photo taken with a Pentax Optio W10 underwater camera submerged in shallow aquarium.