EOL is scheduled for maintenance on Thursday, June 20 between 8:00 and 10:00 AM EDT. During this time you may find changes in EOL's performance and availability.
Strongylocentrotus droebachiensis grows up to 8cm in diameter with a low flat profile. Skeletal plates are greenish-brown with numerous reddish, greenish, or even violet spines that are usually white tipped.May retreat further north with rising water temperatures. Can occur in plagues or swarms which devastate kelp beds in Norway.
Dean Russel 2001. Strongylocentrotus droebachiensis. Northern sea urchin. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 26/01/2011]. Available from: