Arctoscopus japonicus, the sailfin sandfish or japanese sandfish, is a species of fish of the percomorpha (perch-like) clade in the order trachiniformes, being one of the two genera in the family trichodontidae, the sandfishes. known in japan as hatahata (ハタハタ, 鰰, 鱩, 燭魚), it is a commercially important fish especially for akita and yamagata prefectures. its habitat occurs in sandy-mud bottoms ranging from the sea of japan to the okhotsk sea.as a food source, the fish has mostly been sourced locally from the coastal region of the sea of japan, and has been designated the official prefectural fish of akita prefecture. the fish, which is scaleless, may be prepared whole as braised or grilled...

Source: Wikipedia