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Sacred Cove, Rancho Palos Verdes, Los Angeles Co., CA, February 3, 2023

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-	A not-yet full grown predatory snail that is primarily found in the intertidal, Pteropurpura trialata (Neogastropoda: Muricidae), or three-winged murex	-
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Hopkins' rose (Okenia rosacea, formerly Hopkinsia rosacea) feeds exclusively on the rosy bryozoan (Integripelta bilabiata) seen here near the nudibranch, which gets its rose color from a pigment, hopkinsiaxanthin, in the bryozoan. Both the nudibranch and the pigment were named after Stanford's Hopkins Marine Station in Pacific Grove, CA.	-	The chiton, Lepidozona pectinulata (pectinulate chiton), is common on the underside of intertidal rocks in southern California.
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