Quick ?. Ive had this sea urchin for awhile (http://www.photovault.com/Link/Animals/Aquatic/oEchinoderms/show.asp?tg=AAOVolume01/AAOV01P07_10) and I was curious if it would cause any problems with my clean up crew (snails, a cucumber, stars) , if so I want to bring it back to the LFS asap. thanks