Description: Head and body slender and strongly compressed, its width much less than depth; anus located posteriorly, slightly separated from anal-fin origin; snout short and much shorter than eye diameter, rounded; lateral profile steep, forming an angle of ca. 60° with body axis; eyes large, located dorsolaterally; interorbital region very narrow, the width much narrower than pupil diameter, flattened; anterior and posterior nostrils close to each other; former located just before snout tip, with membranous tube, latter located posterodorsally of anterior nostril, small, circular; mouth terminal, inclined anterodorsally, forming angle of ca. 50° with body axis; lower jaw subequal to upper jaw, its posterior tip reaching vertical through posterior margin of pupil; upper-jaw tip behind vertical through lower-jaw tip; both jaws with irregular rows of small, pointed conical teeth, with the tip of each slightly incurved posteriorly; teeth on outermost row on jaws spaced, distinctly larger than teeth on inner rows; 2 or 3 somewhat large canine-like teeth present on both sides of jaws; no vomerine and palatine teeth; gill membranes attached anteriorly to isthmus; gill opening relatively narrow, anteroventral point extending slightly forward to vertical level of preopercle margin (Ref. 126003).