Ochre Stars and California Mussels at Point of Arches
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Ochre Stars and California Mussels at Point of Arches
Color variation in Ochre Star, Pisaster ochraceus, exposed on rocks at low tide at Point of Arches below extensive groups of California Mussels, Mytilus californianus, one of the major prey species of the sea star, during low tide at Point of Arches, Olympic National Park, Olympic Peninsula, Washington State, USA