R/V Yellowfin Cruise to Catalina Id. – April 19, 2002

The fragile urchin, Allocentrotus fragilis, is perhaps the most common West Coast sea urchin but it only lives in relatively deep water. Here are some links: 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11

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Image by D.J. Eernisse © 2002