Abstract:

Through field investigation lasting 26 days in May, September of 2009 and July of 2010 with the way of trapping, catching and buying. we studied the fish species, distribution and diversity. in order to know the fish resource status in the Fuyuan section of Heilongjiang River. The results showed that there were totally 49 species of fish belonging to 38 genera, 14 families, 8 orders in this river. Most of them were small mesopelagic or demersal fish and Saurogobio dabryi, Phoxinus percnurus and Pelteobagrus fulvidraco are dominant species. comprised with other studies, species diversity level and population number of fishes in this river are lower, and 27 species, 7 families and 1 orders of fish have been absented. It has been suggested that fish species diversity has been damaged and the fish resources should be utilized reasonable and conservation in the Fuyuan section of Heilongjiang River.