Florent's Guide To The Hawaiian, South Pacific and

Indo-Pacific Reefs

Gray Norse God Nudibranch
Notodoris serenae
Gray Norse God Nudibranch
Category: Dorid Nudibranchs
Scientific Name: Notodoris serenae
Synonyms: Aegires serenae
Size: Up to 3 in. (8 cm)  
Depth: 30-120 ft. (10-37 m)
Distribution: West Pacific
Mollusca (Phylum) Mollusks
└Gastropoda (Class) Gastropods
 └Heterobranchia (Subclass) Heterobranchs
  └Euthyneura (Infraclass)
   └Nudipleura (Superorder)
    └Doridida (Order)
     └Doridoidei (Infraorder) Dorid Nudibranchs
      └Onchidoridoidea (Superfamily)
       └Aegiridae (Family)
        └Notodoris (Genus)
         └N. serenae (Species)
WoRMS ID: 531091🔗
iNaturalist ID: 504910🔗

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© 2026 Florent Charpin