Head light brown blotches over a dark brown surface. Five broad transversal dark bars covering body and caudal peduncle; last bar very dark, surrounding caudal fin insertion and covering part of supracaudal plates. Body and head broad and flat, without keels or elevations. Triangular head with tip of snout slightly prominent and naked. Head plates smooth, without bristles. Large eyes; orbit almost quadrangular; supraoccipital flat. Subpreopercle large, triangular, and partly covered by odontodes. Large mouth, well developed, thick upper lip. Rictal barbels extremely reduced and attached to the lower lip by well developed membrane, not papillated. Incomplete abdominal covering. Lateral plates 29-30, carinate, arranged in 2 confluent series.