Bathylagoides wesethi very low on the underside of the body. The colour is dark brown above with black spots and a black patch around the operculum, which extends halfway up the body. The flanks are silvery-grey and the fins lack pigment. The caudal peduncle is narrow, the caudal fin is short, and the lateral line, which is high on the body, extends into the tail fin. The maximum length to which this fish grows is about . The snubnose blacksmelt is found in deep water in the Pacific Ocean off the western coast of North America. Its range extends from 45°N to
Pethia cumingii at the base of the caudal peduncle posterior to base of anal. Both blotches are widest at the lateral line. Eye pale yellow or white. Dosal and ventral orange, with two horizontal rows of 5-7 black spots on dorsal which has a black tip to its anterior spine. Remaining fins yellow (Daraniyagala,1952).Dorsally olive, the side being silvery with a golden sheen. There are two vertically elongate blotches rather larger than the eye, one above the anal fine and the other above and behind the operculum. The dorsal and pelvic fines have yellow (Daraniyagala,1952 / Pethiyagoda 1991). Fins. D II.8, A