Aeolidia papillosa (Linnaeus, 1761)
Shag-rug aeolis
Shag-rug aeolis,  Maned nudibranch,  Shag-rug aeolis,  Shag-rug nudibranch
Aeolidia papillosa
photo by Harvey-Clark, Chris

Family:  Aeolidiidae ()
Max. size:  10 cm TL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 380 m
Distribution:  Arctic, Atlantic, Eastern Pacific and the Mediterranean Sea. Subtropical to polar.
Diagnosis:   
Biology:  Assumed maximum length from Ref. 822. Known from intertidal to deep waters, in large aggregations of thirty or more individual adults (Ref. 7726). Free-living (Ref. 3123). Generally for group, planktonic and minute detrital food items through either suspension or deposit feeding (Ref. 87872). Feeds on various sea anemones (Ref. 822), particularly frilled anemone (Ref. 7726).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  Known from western Canada, from Bering Strait to Davis Strait on the east (Ref. 1667). C: Refs. 1667, 87872, 93817.

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