Dulong River watershed is situated in the northwest of Yunnan Province, and neighbors with Qinghai-Xizang Plateau and India in the north, neighboring with Burma in the west. The thorough fish survey was taken from October to November in 2004, and 883 specimens and 7 species were sampled; these species belong to 3 families or subfamilies ( Sisoridae, Schizothoracinae and Labeoninae) and 6 genera (Pseudecheneis, Pareuchiloglans, Oreoglanis, Exostoma, Schizothorax and Placocheilus). The present research provide the complete description for each species. Comparised with ichthyofaunas of neighboring water system, the ichthyofauna of Dulong watershed is closer with that of Nujiang River.
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