A single specimen of Rogadius tuberculatus (Cuvier, 1829) (URM-P 15156, 64.8 mm SL) was collected from Nakagusuku Bay, Okinawa Island, south-ern Japan in 1985. Characterized by many spines and tubercles on the dorsal sur-face of the head, the suborbital ridge finely serrated, 2-4 preorbital spines, well-de-veloped sensory tubes on the cheek region, no antrorse preopercular spines, 11 dorsal and anal fin soft rays, 52 lateral line scales with two exterior openings, the anteriormost 21 lateral line scales with a spine and 1+7=8 gill rakers, the speci-men represents the first record of the species from Japan and northernmost record from the western Pacific.
