Less conspicuous — but even more heavily impacted as a population — were the millions of purple sea urchins and tiny sea stars that died along a 62 - mile stretch of coast in Northern California, according to a UC Davis - led study published in the journal PLOS ONE that documents the die - off. (sciencedaily.com)
«Biologists discover that female purple sea urchins prime their progeny to succeed in the face of stress.» (sciencedaily.com)
Michael Russell at Villanova University in Pennsylvania and his colleagues studied purple sea urchins from the west coast of North America. (newscientist.com)