
Icelinus pietschi Yabe, Soma & Amaoka, 2001
Length: 4 cm
Locality: Kotoura, Sado Is. Depth: 8 m
Environment: rocky reef
Water temperature: 9°C
Date: Apr, 2012 Photographer: Satoshi Awata
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Class | Actinopterygii |
| Order | Perciformes |
| Family | Cottidae |

Female specimen in breeding season
Locality: Kotoura, Sado Is. Depth: 10 m
Environment: rocky bottom
Water temperature: 10°C
Date: Mar, 2013 Photographer: Satoshi Awata

Length: 4 cm Locality: Mushizaki, Sado Is. Depth: 15 m
Environment: rocky bottom Water temperature: 13°C
Date: May, 2016 Photographer: Satoshi Awata


Male (upper) and female (lower) specimens
Locality: Kotoura, Sado Is. Depth: 15-20 m
Environment: rocky bottom Water temperature: 10°C
Date: Mar, 2017 Photographer: Satoshi Awata