Data on the fish species composition in Nyukzha River (Olekma Tributary) and its basin

Resumo

Results of investigation of the ichthyofauna of Nyukzha River (Lena basin), its tributaries (Jeltula, Nerunga (Malaya Nrunna), and Ogyngli), and lakes of this system are presented. The list of fishes revealed in this region includes 12 species belonging to seven families and five orders. The problem of the taxonomic status of a number of species in the area under study is discussed.