Hypselodoris sagamiensis (Baba, 1949)
Length: 3 cm
Locality: Tassha, Sado Is. Depth: 1 m
Environment: rocky shore
Date: Sep, 2019 Photographer: Akihito Omori
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Heterobranchia |
| Order | Nudibranchia |
| Suborder | Doridina |
| Family | Chromodorididae |