
Arctoscopus japonicus (Steindachner, 1881)
Sailfin sandfish
Length: 20 cm
Locality: Kitaebisu, Sado Is. Depth: 4 m
Environment: rocky bottom
Water temperature: 12°C
Date: Jan, 2012 Photographer: Satoshi Awata
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Class | Actinopterygii |
| Order | Perciformes |
| Suborder | Trachinoidei |
| Family | Trichodontidae |

Egg mass of A. japonicus
Locality: Kitaebisu, Sado Is. Depth: 3 m
Date: Jan, 2012 Photographer: Satoshi Awata