 The coloration is light brown, with a series of diffuse-edged, darker wide bands interspersed with narrower stripes from snout to tail, numbering 11–14 in all.A faint lighter band is on top of the head between the eyes, and a darker blotch is beneath each eye.The range of the Japanese bullhead shark extends from Japan to the Korean Peninsula, and southward along the coast of China to Taiwan.