The Japanese sandfish (Arctoscopus japonicus), also known as the sailfin 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.[4] Its habitat occurs in sandy-mud bottoms ranging from the Sea of Japan to the Okhotsk Sea.[1] | ||||||