E-Fauna Photo Gallery

Strongylocentrotus franciscanus  (Red Sea Urchin)

Photo of Strongylocentrotus franciscanus by Aaron Baldwin
© 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)
UTM Zone # Latitude
UTM Easting Longitude
UTM Northing Photo ID # 2177
Notes 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.


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