Florent's Guide To The

Tropical Reefs

Mournful Phestilla
Tenellia lugubris
Mournful Phestilla
Category: Aeolid Nudibranchs
Scientific Name: Tenellia lugubris
Synonyms: Phestilla lugubris
Size: Up to 2 in. (5 cm)  
Distribution: Indo-Pacific
Mollusca (Phylum)
└Gastropoda (Class)
 └Heterobranchia (Subclass)
  └Euthyneura (Infraclass)
   └Nudipleura (Superorder)
    └Nudibranchia (Order)
     └Aeolidina (Suborder)
      └Fionoidea (Superfamily)
       └Trinchesiidae (Family)
        └Tenellia (Genus)
         └T. lugubris (Species)
WoRMS ID: 890628🔗
iNaturalist ID: 521162🔗

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© 2026 Florent Charpin