
Icelinus japonicus Yabe, Tsumura & Katayama, 1980
Length: 5 cm
Locality: Mushizaki, Sado Is. Depth: 12 m
Environment: rocky reef
Water temperature: 13°C
Date: Jan, 2019 Photographer: Satoshi Awata
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Class | Actinopterygii |
| Order | Perciformes |
| Family | Cottidae |

Male specimen in breeding color
Length: 5 cm
Locality: Mushizaki, Sado Is. Depth: 12 m
Environment: rocky bottom
Water temperature: 12°C
Date: Jan, 2016 Photographer: Satoshi Awata


Male (upper) and female (lower)
Locality: Kotoura, Sado Is. Depth: 10-15 m
Environment: rocky bottom
Water temperature: 12°C
Date: Jan, 2019 Photographer: Satoshi Awata