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    Navanax: Navanax inermis
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    Rock Scallop: Crassadoma gigantea
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    2-spot octopus: Octopus bimaculoides
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    • Black sea hare: Aplysia vaccaria
    • - largest known species of sea slug, and may be the world's largest living gastropod
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    California sea hare: Aplysia californica
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    (California) Mussel: Mytilus californianus

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    Bean clam: Donax gouldi
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    • Market squid: Doryteuthis opalescens
    • eat: polychaetes, crustaceans, small fishes
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    • Humboldt squid: Dosidicus gigas
    • eat:
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    • California cone snail: Conus californicus
    • eats: polychaetes, molluscs, crustaceans by injecting toxin through hollow radula tooth modified as a harpoon
    • only temperate cone snail
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    • Olive snail: Callianax biplicata
    • eats: small burrowing invertebrates
    • aka Olivella biplicata
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    • Chestnut cowry: Neobernaya spadicea
    • aka Cypraea spadicea
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    • Wavy turban/top snail: Lithopoma undosum
    • eat: microscopic algae
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    • Norris's topsnail: Norrisia norrisi
    • eats: algae, esp. kelp (Egregia > Laminaria farlowii > Macrocystis pyrifera (giant kelp) > Eisenia arborea (feather boa kelp))
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    • Kellet's whelk: Kelletia kelletii
    • eats: Carnivore, Scavenger. wide variety of prey and will scavenge when possible. It actively attacks and consumes turban snails, worm snails, and sessile annelid worms.
    • one of largest gastropods on central CA coast. knobbed, purple-green shell of adults is conch-like in appearance, and unlike any other shell one will encounter in California
    • habitats: both rocky reef and soft bottom
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    • Giant keyhole limpet: Megathura crenulata
    • eats: compound ascidians and other encrusting invertebrates
    • note: no other limpet is as large nor all black.
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    Chiton (general)
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Molluscs to learn