Batasio convexirostrum, a new species of catfish (Teleostei: Bagridae) from Koladyne basin, India

摘要

Batasio convexirostrum, a new bagrid catfish, is described from the Koladyne drainage, Mizoram, India. It is distinguished from congeners by a combination of the following characters: body with a dark-brown oblique predorsal bar on a uniform light-brown background; very short dorsal to adipose distance (1.7-4.1% SL); snout length 39.2-45.5% head length; eye diameter 24.6-29.8% head length; gill rakers on the first branchial arch 4-5; pectoral spine length 14.6-17.6% standard length; adipose-fin base length 31.0-34.9% standard length; post-adipose distance 10.6-13.7% standard length; branched pectoral fin rays 9-10; and 39-40 vertebrae.