Occurrence of Amur grayling (Thymallus grubii grubii Dybowski, 1869) in the Amur River

摘要

The common name of Thymallus grubii grubii is Amur grayling (Fig. 1). In China, the species is distributed in the river systems of the Heilongjiang, Wusuli and Yalujiang rivers (Zhang, 1995), and elsewhere from the Tuguer to the Jirijia along the coast of the Sea of Ochotsk in mainland Russia, and to the north in the Suzuka River along the coast of the Sea of Japan (Yue and Chen, 1998). It is caught in cold mountain streams, but in limited numbers and with a population of insucient quantity for shing (Yue and Chen, 1998).