Escal bulb bearing an anterior appendage with numerous long filaments at its distal end, a pair of medial appendages with highly branched filaments, a short round papilla and posterior appendages with 2 short filaments (Ref. 559).

Characterized by having similar characteristics like that of O.eschrichtii and O.anisacanthus; posterior margin of the upper part of subopercle is indented to deeply notched; length of ventral fork of opercle 28.6-35% SL; ratio of lengths of dorsal and ventral forks of opercle 0.55-0.60; absence of epibranchial teeth; presence of teeth on pharyngobranchial II; upper jaw teeth 23-39; lower jaw teeth 24-40; teeth on vomer 4-8; dorsal fin rays 6-7; anal fin rays 4; pectoral fin rays 15-18; head length 37.6-49.1% SL; head depth 39.1-50.8% SL; length of premaxilla 29.1-38.6% SL; lower jaw length 44.1-56.1% SL; illicial length 23.1-38.6% SL (Ref. 86949).