Ranges and sampling locations of sharp- andblunt-snouted lenoks. Ranges of sharp- and blunt-snouted lenoks compiled from data and literature. Grey shading, sharp-snouted lenok; left hatch, blunt-snouted lenok; crosshatch, form uncertain. Korean and Chinese parts of the range follow Kim (1972) and Li (1985). Arab numerals and solid circles correspond to sample sites of this study, listed in Table 1, Roman numerals and open circles – to sample sites for the external data from China and Korea: I – Songhua (Sungari), II – Woniuhe, III – Suifenhe (Suifun), IV – Tumen, V – Yalu, VI – Yellow River (Hwang Ho) basin, VII – Tuligenhe (China – Yingzhe et al, 2006), VIII – Hanjiang (Korea). The red-dotted line corresponds to 56° N.