"Similar in general shape to Strongylocentrotus droebachiensis but with fewer spines." (Lambert, Austin 2007)
"Most studies indicate an omnivorous diet. On the Grand Banks off Newfoundland gut contents were single-celled benthic organsisms, such as foraminiferans and diatoms, and the remains of various animals such as barnacles, bryozoans, hydroids and amphipods." (Lambert, Austin 2007)
