Badis singenensis, a new fish species (Teleostei: Badidae) from Singen River, Arunachal Pradesh, northeastern India

Abstract

A new species of Badis from Singen River, Brahmaputra basin in Arunachal Pradesh, India, has the following combination of characters: a conspicuous round black blotch postero-dorsally on opercle at the base of opercle spine covering many scales; three distinct black blotches at dorsal fin base: the first, behind the third spine; the second, behind the sixth dorsal spine and the third, behind the fifth and sixth soft dorsal rays. The species differs from its nearest congeners, B. assamensis and B. blosyrus by the presence of a black blotch at the base behind the fifth soft anal fin ray.