SYSTEMATIC ANALYSIS AND INFECTION OF THE COMMON CATFISH NEMATODE (SILURUS GLANIS) IN WATER BODIES IN THE NORTH-EAST OF UZBEKISTAN
Keywords:
Nematoda, helminths, predatory fish, systematics, native catfish, invasion, extensiveness and intensity of invasion, Syrdarya, Uzbekistan.Abstract
Research was carried out on 127 specimens. native catfish (Silurus glanis) caught in water reservoirs of northeastern Uzbekistan in 2019-2022. As a result of research, 9 species of nematodes were registered in common catfish, which belonged to 4 orders, 6 families and 7 genera. Of the identified nematodes, 5 species parasitize in the larval stage and 4 species in the sexually mature stage. Infestation with nematodes ranges from 1.6% to 20.4%, and the intensity of invasion is 1–28 specimens.
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