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Morro Bay: Under the Surface
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Morro Bay: Under the Surface
  • Home
    • Credits and References
  • Plants and Algae
    • Eelgrass
    • Ulva
    • Giant Kelp
  • Invertebrates
    • Red-Rust Bryozoan
    • Feather Duster Worm
    • White Anemone
    • Starburst Anemone
    • Bat Star
    • Sand Dollar
    • California Sea Hare
    • California Aglaja
    • Moon Snail
    • California Bubble Snail
    • Mossy Chiton
    • Eelgrass Isopod
    • Kelp Crab
    • Striped Shore Crab
    • Hairy Shore Crab
    • Purple Shore Crab
    • Graceful Rock Crab
    • Sandflat Elbow Crab
    • Blueband Hermit Crab
    • Pacific Rock Crab
  • Fish
    • Bay Pipefish
    • Staghorn Sculpin
    • Topsmelt
    • Dwarf Perch
    • Pacific Sanddab
    • Round Stingray
  • Marine Mammals
    • Sea Otter
    • California Sea Lion
    • Harbor Seal
  • More
    • Home
      • Credits and References
    • Plants and Algae
      • Eelgrass
      • Ulva
      • Giant Kelp
    • Invertebrates
      • Red-Rust Bryozoan
      • Feather Duster Worm
      • White Anemone
      • Starburst Anemone
      • Bat Star
      • Sand Dollar
      • California Sea Hare
      • California Aglaja
      • Moon Snail
      • California Bubble Snail
      • Mossy Chiton
      • Eelgrass Isopod
      • Kelp Crab
      • Striped Shore Crab
      • Hairy Shore Crab
      • Purple Shore Crab
      • Graceful Rock Crab
      • Sandflat Elbow Crab
      • Blueband Hermit Crab
      • Pacific Rock Crab
    • Fish
      • Bay Pipefish
      • Staghorn Sculpin
      • Topsmelt
      • Dwarf Perch
      • Pacific Sanddab
      • Round Stingray
    • Marine Mammals
      • Sea Otter
      • California Sea Lion
      • Harbor Seal


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California Sea Hare

Aplysia californica


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slimy oval-shaped creature, brown and partially translucent, in the palm of a hand.

Common Name: California Sea Hare

Scientific Name: Aplysia californica

Kingdom, Phylum, Class, Order, Family: Animalia, Mollusca, Gastropoda, Anaspidea, Aplysiidae

Diet: Herbivorous, red algae, sea lettuce and eelgrass

Habitat: Sheltered rocky shore, middle to lower intertidal zones

Range: Monterey to San Diego, California

Identification: Red/green/brown color, head had 4 tentacles, parapodia (flaps) along the top of the body

Reproduction: Hermaphrodite (has both female and male reproductive organs), locate each other through chemical cues, noodle-like egg mass, eggs found from November to March

Behavior: Can release purple ink from parapodia (flaps) when threatened, mainly active at night

Predators: Giant green sea anemone and California Aglaja (a predatory sea slug)

Citations:Johnson and Snook, 1927.Dice, S. 2014.




© Iliana Arroyos, 2018
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