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Cruise on R/V Yellowfin to Wrigley Institute of Environmental Science, Santa Catalina Island, Los Angeles Co., CA, April 27, 2019

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spear head dredged off San Pedro
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small boring pholads
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Probably Lophopanopeus leucomanus (knobknee crab) according to crustacean expert, Dr. Greg Jensen.
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Lepidozona scrobiculata
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Astropecten armatus (spiny sand star) and Neobernaya spadicea (chestnut cowrie)
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A pair of probably Crepidula onyx slipper limpets on Californiconus californicus (California cone snail)
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One of our multiple undescribed species of the seastar genus, Henricia, in southern California. With my colleague, Megumi, are revising the West Coast members of this genus. This is probably our Henricia sp. X.
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a gammarid amphipod (identified as such by Dr. Jensen)
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Dendrochiton gothica
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Paraxanthias taylori (lumpy rubble crab)
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caprellid amphipod (skeleton shrimp)
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We had lots of common dolphins (one of two species of the genus Delphinus) following us for quite a while.
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a juvenile muricid snail, probably Paciocinebrina foveolata according to snail expert and former student, Shawn.
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One of the undescribed speces in the Leptochiton rugatus species complex (Eernisse et al. MS in prep.).
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A pair of Calyptraea contorta.
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My grad student, Kevin, has been studying the bryozoans living on the shell of one of our most common calyptraeid snails, Crepipatella lingulata.
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Tentative: Crepipatella lingulata, but these are a bit unusual in this area in lacking bryozoans on their shells.
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Bird Rock, approaching Isthmus Cove on Catalina.
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Ship Rock
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Arriving at USC's Wrigley Institute of Environmental Studies.
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There were many very large wavy turban snails (Megastraea undosa).
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It seemed that the Eisenia arborea (southern sea palm) had recovered a bit from some very warm recent years, but still not much Macrocystis pyrifera (giant kelp).
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I saw multiple large abalones, i think mostly green abalones (Haliotis fulgens)
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Navanax inermis (California aglaja) feeds on many species of sea slugs.
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Pelagophycus porra (elk kelp)
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Ceratostoma foliatum (leafy hornmouth) was locally common.
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Phimochirus californiensis (broadhand hermit, ID by Dr. Jensen)
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Flabellinopsis iodinea (Spanish shawl nudibranch)
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Californiconus californicus (California cone snail)
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The shell pattern mimicry is impressive on this Crepidula onyx (tentative) on Californiconis californicus.
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Pusula solandri (Solander's Trivia)
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Okenia rosacea (Hopkins' rose nudibranch)
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Tegula eiseni was very common.
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