体长，近圆筒形，背凸腹平，向后渐细。头稍平扁。眼小。口下位。唇厚，相连，具小乳突。须4对，鼻须短扁；上颌须短，有皮褶与吻部相连，末端尖突；下颌须2对，粗短，具小乳突。鳃孔止于胸鳍基部。胸部有圆形吸着器。背、胸鳍无硬刺；胸鳍大，平展如翅；偶鳍第一鳍条特宽，腹侧面具横褶；脂鳍长，与臀鳍相对。尾柄细圆。尾鳍深叉。

Mouth inferior, lips fleshy with papillae, barbels 8, the base of the maxillary barbel with a broad membranous flap and joins to the side of the snout, the thoracic portion with a horizontally corrugated adhesive apparatus, the dorsal and the pectoral rays not spinous. This catfish is found in the Lancangjiang River, the Nujiang River, the Irrawaddy River and the lower reaches of the Yarlung Zangbo River.

伊洛佤底江,怒江,澜沧江,雅鲁藏布江