Glyptothorax distichus , a New Species of Catfish (Teleostei: Sisoridae) from Mizoram, North-Eastern India

A new sisorid catfish, Glyptothorax distichus , is described from the Barak-Meghna-Surma drainage in Mizoram, North-east India. It is distinguished from its congeners in having a combination of the following characters: a chevron-shaped thoracic adhesive apparatus, with poorly developed median depression that is widely opened posteriorly by skin ridges; short dorsal fin spine; short and slender caudal peduncle; unculiferous ridges of adhesive apparatus not extending anteriorly onto gular region; absence of plicate on ventral surfaces first pectoral and pelvic fins rays, smooth skin on head and body; presence of two broad pale cream longitudinal stripes on body; and 20 + 17 Vertebrae.