Invasive Species Compendium

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Abstract Full Text

Epizootological features of fish infection caused by Amphicotylidae Ariola (amphykotilidosis) of in the basin of the Terek River.

Abstract

Amphykotilidosis in fish in the North Caucasus region belongs to the rare infection and is being transmitted by fish juveniles during recreational activities. 2 types of Amphicotylidae Ariola, 1899 were detected in trout, barbel, riffle minnow, mudfish, and bleak in the basin of the Terek River. The criteria of intensive and extensive invasions for riffle minnow fish juveniles and adults in rivers were 1.0-5.0%, the intensity of invasion (II) - 3.0-13.0 expl./ind. Materials and methods. Research was conducted in rivers Terek, Malka, Baksan, Cherek, and Chegem. We used the Skryabin K.I. method of complete helminthological autopsy (modified by V.A. Dogel in 1970 for examination of fish). During the working period 100 individuals of each species (trout, barbel, riffle minnow mudfish, bleak) were examined. Research results: Fish amphykotilidosis belongs to rare infection diseases and is being transmitted by fish juveniles during recreational activities. Based on parasitological examinations of trout, barbel, riffle minnow, mudfish, and bleak in the basin of the Terek River 2 types of Amphicotylidae Ariola, 1899 with slight intensity and extensity of invasion were determined.