Note:

I cerata (appendici dorsali con funzione respiratoria) sono molto delicati e pare si stacchino in caso di pericolo per l'animale.

Tassonomia:

Domain: Eukaryota Whittaker & Margulis,1978 - eukaryotes
Kingdom: Animalia Linnaeus, 1758 - Linnaeus, 1758 - animals
Subkingdom: Bilateria (Hatschek, 1888) Cavalier-Smith, 1983 - (Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians
Branch: Protostomia Grobben, 1908 - Grobben, 1908 - protostomes
Superphylum: Eutrochozoa
Phylum: Mollusca (Linnaeus, 1758) Cuvier, 1795 - Molluscs
Class: Gastropoda Cuvier, 1797 - Snails and Slugs
Subclass: Opisthobranchia Milne-Edwards, 1848 - opisthobranchs
Order: Nudibranchia De Blainville, 1814 - Sea Slugs
Family: Tethyidae
Genus: Tethys
Specific name: fimbria Linnaeus, 1758
Scientific name: Tethys fimbria Linnaeus, 1758