Goniobranchus tumuliferus (Collingwood, 1881)
Length: 4 cm
Locality: Tasha Port, Sado Is. Depth: 4 m
Environment: rock and sand bottom
Water temperature: 17°C
Date: Dec, 2011 Photographer: Satoshi Awata
| Phylum | Mollusca |
| Class | Gastropoda |
| Subclass | Heterobranchia |
| Order | Nudibranchia |
| Suborder | Doridina |
| Family | Chromodorididae |
Length: 3 cm
Locality: Tassha, Sado Is. Depth: 1 m
Environment: rocky reef
Date: Aug, 2024 Photographer: Akihito Omori