Among the collection from Hekou County (the Bazi River) a tributary of the Nanxi River which flows
into the Red River, six specimens of
Pseudobagrus kyphus
were identified as a new record of Bagridae species in Yunnan Province. It could be distinguished by a combination of the following characteristics: four pairs of barbels, short maxillary barbels, not reaching the pectoral-fin origin; adipose fin present, dissociated from the caudal peduncle; anal fin with 16–18 rays; anterior edge of pectoral and dorsal spines without serrations; a dark blotch appearing on the margin of the dorsal fin and stripes appearing on the upper and lower lobes of the caudal fin.