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nudibranch, Dirona picta, ID by Brenna Green
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sipunculan (peanut worm), Themiste pyroides
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Acanthochitona avicula
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pulmonate limpet (Siphonariidae), Williamia peltoides
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The cephalaspidean sea slug, Navanax inermis, preys on other sea slugs by following their mucus trails.
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northern clingfish, Gobiesox maeandricus
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Tegula eiseni with two slipper limpets, tentatively Crepidula onyx
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Norrisia norrisii (Norris's top snail)
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Owl limpet (Lottia gigantea) with a Hartweg's chiton (Cyanoplax hartwegii)
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Acanthochitona avicula
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Stenoplax conspicua (conspicuous chiton)
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Acanthochitona avicula
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sea goddess and Hopkins' rose
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Hopkins' rose (Okenia rosacea) on its preferred prey, the pink
encrusting bryozoan (Eurystomella bilabiata)
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This Keep's chiton (Cyanoplax keepiana) is less that a cm in length, but you probably missed the
Berry's chiton (Cyanoplax berryana) juvenile on the lower right. That latter species was described from Santa Cruz by someone cool, and I have only seen
maybe five total in southern California, but it is common at some localities in Baja California.
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Epitonium tinctum (wentletrap snail)
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Black sea hare (Aplysia vaccaria)
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tube snail, Thylacodes squamigerus
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clonal serpulid polychaete known as the shredded wheat worm, Salmacina tribranchiata
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clams that bore through rock, known as burrowing pholads
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a pycnogonid (sea spider)
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Lepidozona pectinulata
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Hopkins rose (Okenia rosacea)
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Owl limpet (Lottia gigantea) on its territory, surrounded by aggregating anemone
(Anthopleura elegantissima)
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The limpets on the mussel are probably Lottia conus,
but might instead by its relative, L. scabra
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Another Lottia conus (or possibly L. scabra)
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southern spiny chiton (Nuttallina fluxa)
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an eroded Poulson's rock snail, Roperana poulsoni
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black oystercatcher
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