Expansion of the alien East Asian river prawn Macrobrachium nipponense (De Haan, 1849) in southwestern Ukraine and assessment of its commercial usage prospects

At this time East Asian river prawn Macrobrachium nipponense is present almost everywhere in the lower reaches of Danube and Dniester basins, Danube-Dniester interfluves water bodies to east Dniester. Successful adaptation favorable climatic conditions recent years have provided a significant increase populations High growth rates M. been observed In these higher values maximum body length (males 115 mm, females 87 mm) than those recorded native range cooler thermal power plants during introduction were recorded. small shallow brackish-water reservoirs region (PSU 1.5–6.0) rate significantly freshwater deltaic zones. Female such mature at much smaller size. The egg-laying period female lasts from June October. peak egg laying July August. There reported cases being affected by crustacean burn-spot disease. prospect organizing fishing River has determined. It necessary continue research selectivity gears, determination optimal terms fishing, places installation gears.