KnowraStrongylocentrotus purpuratusLinked fromLinked fromThe 2 pages that link to Strongylocentrotus purpuratus, each with the reason it gives.All 2Broader topic 1Related 1Sea urchinBroader topic: Its abundance and grazing have made it a prominent species in kelp-forest ecology.Sunflower sea starRelated: It is a key prey item whose abundance can rise when sunflower sea stars disappear.