Exostoma nasibarbatum , a new species of glyptosternine catfish from Manipur, northeastern India

A new species of glyptosternine catfish of the genus Exostoma is described from the Bupal stream, a tributary of the Dujang River, Chindwin River system in Manipur, northeastern India. Exostoma nasibarbatum Torisha & Shangningam sp. n. can be easily distinguished from congeners of the Chindwin-Irrawaddy by the following combination of characters: possessing a long nasal barbel extending beyond the posterior margin of orbit, adipose fin confluent (vs. separate) with the upper procurrent caudal fin rays except in E. chaudhurii, E. dulongense, E. dujangense and E. vinciguerrae, rounded and parallel striae on the anterolateral surfaces of the lips (vs. parallel) in E. chaudhurii and E. dulongense, (vs. rounded) in E. dujangense and E. vinciguerrae.http://www.zoobank.org/urn:lsid:zoobank.