Intertidal Invertebrates of the Monterey Bay Area, California

Compiled & photographed by Gary McDonald, Long Marine Laboratory, University of California, Santa Cruz

Aeolidiella oliviae MacFarland, 1966          
Olive's Aeolid
Mollusca: Gastropoda: Opisthobranchia: Nudibranchia: Aeolidina: Aeolidiidae
Geographic Range: Duxbury Reef, Marin Co., CA, to Bahia Todos Santos, Baja California, Mexico. Synonyms: Spurilla oliviae
Back to: Aeolidina Back to: Intertidal Invertebrates of the Monterey Bay Area
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Great Tidepool, Pacific Grove, Monterey Co., CA; 26 May 2009; 22mm total length.

Description: Ground color translucent greyish-white, often with a patch of pale orange in cardiac region. Cerata usually with whitish tips, cores light rose to bright orange. Rhinophores orange-vermilion, with about 10-14 oblique lamellae. Oral tentacles usually encrusted with opaque white distally. Foot corners produced.
Size: Typically about 20mm in length, but may reach 35mm.
Notes: Feeds on various species of sea anemones.

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Carmel Pt., Monterey Co., CA; 5 Mar 2008; 15mm total length.
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Carmel Pt., Monterey Co., CA; 5 Mar 2008; 15mm total length.
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Pigeon Pt., San Mateo Co., CA; 18 Feb 2008; 16mm total length.
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Pigeon Pt., San Mateo Co., CA; 18 Feb 2008; 16mm total length.
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Sand Dollar Beach, Monterey Co., CA; 27 May 2009; 22mm total length.
 

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