Physoschistura longibulla, a new loach (Cypriniformes: Nemacheilidae) from Irrawaddy basin in central Myanmar.

Physoschistura longibulla, a new species and the first species of the revised genus Physoschistura from Pyin Oo Lwin of Irrawaddy basin, can be distinguished from other congeners by the combination of following characters: posterior chamber of air bladder well developed, connecting anterior with a long and thin tube, long and oval; dorsal fin with 81/2 branched rays, its origin slightly anterior to pelvic-fin base vertically; lateral line complete and straight, with 93-102 pores; pectoral fin with 8-9 branched rays, reaching 1/2 to 2/3 of distance to pelvic-fin base; suborbital flap absent in male; axillary pelvic lobe present; caudal fin with 9 + 8 branched rays.

Five newly recorded Cyprinid fish (Teleostei: Cypriniformes) in Myanmar.

Freshwater fish from the Putao and Myitkyina areas were collected in three ichthyofaunal surveys of the Mali Hka River and tributaries in and around Khakaborazi National Park and Hponkanrazi Wildlife Sanctuary, Kachin State, from 2014-2016. Chen et Yang 2004, Wu et al. 1977, Wu et al.