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Description of Pterocryptis barakensis from the Barak River, Tamenglong District (Brahmaputra drainage) of Manipur, India is inadequate. It is distinguished from P. berdmorei (Blyth) and the only other known species of the genus from the Indian region in having longer caudal fin, distinct sensory pores, serration pattern on posterior edges of anterior and posterior segments of pectoral spine, rounded tip and colour of pectoral and ventral fin, dimorphism in genital papillae in males and females and by a combination of meristic and morphometric characters.