
Pennatulidae sp.
Sea pen
Length: 15 cm
Locality: Red Rock spot, Kitakoura, Sado Is. Depth: 26 m
Environment: sand bottom
Water temperature: 11°C
Date: Mar, 2013 Photographer: Satoshi Awata
| Phylum | Cnidaria |
| Class | Anthozoa |
| Subclass | Octocorallia |
| Order | Pennatulacea |
| Family | Pennatulidae |

Length:40 cm
Locality:Fish Bank spot, Kitakoura, Sado Is. Depth: 18 m
Environment: sand bottom
Water temperature: 13℃
Date: Jan, 2020 Photographer: Akihito Omori