Biological characteristic of Phoxinus phoxinus L. in Chulman and Ungra rivers (Southern Yakutia)

摘要

The results of a study of common minnow populations in the Ungra River (conservation zone) and the Chulman River (town of Neryungri) in Southern Yakutia are presented. The main biological characteristics of the fish are given. Minnows have proven to be highly adaptive: their lifespan could exceed 10 years in the technogenic zone of the Chulman River in the absence of predators and competition for food. The common minnow was a host to 36 species of parasites, 11 of which were typical for this fish and 9 are detected for the first time in Yakutia.