Odontobutis hikimius Iwata & Sakai 2002

Connection present between lower end of transverse sensory papillae row (papillae group 17) and lower part of longitudinal sensory papillae row (papillae group 19) on opercle, separate in all congeners. Upper and lower branched caudal fin rays 8 + 7 (7-8 +6-8); upper and lower segmented caudal fin rays 9 + 8 (9-10+8). Head depressed. Mouth large, obliquely upwards (Ref. 41509).

Dorsal spines (total): 8; Dorsal soft rays (total): 9; Analspines: 1; Analsoft rays: 7; Vertebrae: 32 - 33

Odontobutis hikimius is a species of freshwater sleeper endemic to Japan. This species can reach a length of 15.6 cm (6.1 in) in standard length.