Sea Urchin Animal Suppliers Gravid animals can be obtained virtually year round. I have had the best luck with Lytechinus pictus, Lytechinus variegatus and Strongylocentrotus purpuratus, but only variable luck with Arbacia punctulata. There are many reliable suppliers. I routinely use: Marinus Scientific 1500 Pier C. St., Long Beach, CA 90813 (714)901-9700 info@marinusscientific.com L. pictus usually May until October, S. purpuratus in the Spring Note: you will need a collector's licence from the State of California Susan Decker, 14140 S.W. 22nd Place, Davie, FL 33325 (954)424-2620 (leave message) L. variegatus in the Spring Gulf Specimen Marine Laboratories, P.O. Box 237, Panacea, FL 32346 (850)984-5297 L. variegatus Summer through September   Animals can also be obtained from the MBL (509-548-3705, ext. 7375), Carolina (800-335-5551) and Ward's (800-962-2660).