The Naru eagle ray, (Aetobatus narutobiei), is a new species of eagle ray of the family Myliobatidae. The 2013 discovery of the Naru eagle ray, splits a previously defined species, The longheaded eagle ray was previously considered to have a wide distribution in the Indo-West Pacific, from the Persian Gulf to southern Japan. Although little information exists for this species throughout most of its range, the life history and ecology of this species has been reasonably well studied in Japanese waters, in particular by. Longheaded eagle ray became the focus of much attention in the Ariake Bay region of Kyushu Island due to the significant increase in numbers and the destructive effects this species was considered to have on commercial bivalve stocks in this area.