Authors: ULUGHBEK T. MIRZAEV
Abstract: This paper provides brief data on the distribution, morphology, biology and way of life of the fishes inhabiting rivers located in Chatkal Biosphere Reserve. The rivers of this reserve are inhabited by cold-loving fishes adapted to mountain conditions. These fishes are characterized by low fecundity, bigger size of eggs and a slower growth. Most of these fishes are small inhabitants of stony-pebble parts of the rivers and are capable of pressing themselves to the bottom and hiding themselves behind stones.
Keywords: ichthyofauna, nature reserve, fish, fecundity, spawning, coloration, fin, ecosystem.
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