Preparation of chromosome spreads and karyotype analysis in Blicca bjoerkna transcaucasica were carried out using 0.01% solution of colchicines and Phytohaemagglutinin (PHA) (20 µg g-1 body weight). The gill and kidney tissues were collected and let to stand in a hypotonic solution of 0.075 M KCl and then treated with a fixative (Carnoy's solution) in three steps. The chromosomes spreads were...

Purpose. To investigate the current state of nearshore fish communities and peculiarities aquatic plants zoobenthos distribution in Vita River mouth Dnipro channels. Methodology. The study was carried out summer autumn 2022 at 4 sampling sites 3 straits Zhukov Island area. Fishes were caught by a beach seine (6 m length, 1.5 height, сm mesh size). Two to three hauls made every site depending on...

In this study, a total of 72 Pseudophoxinus antalyae and 58 Cyprinus carpio have been investigated during February through August 2004. In P. antalyae the prevalence and mean intensity level of Dactylogyrus sphyrna was 2.7% and 1.5±0.5 respectively, D. ergensi was 38.8% and 16.1±1.09 and Paradiplozoon homoion was 73.6% and 8.15±0.47. Two monogeneans were found on the gills of C. carpio namely D...