this study was conducted to determine length-weight and length-length relationships, relative condition factor (krel) and fulton?s condition factor (k) for five species including scardinius erythrophtalmus, carassius auratus gibelio, cyprinus carpio, tinca tinca and hemiculter leucisculus belonging to cyprinidae family. fish sampling was carried out by gill net and fyke net in the western regio...

Within the genus Carassius Jarocki, 1822 , crucian carp ( C. carassius L., 1758) occurs naturally in northern part of Middle Danube Basin (Austria, Morava, Slovakia). This species has least concern status this region, but observations last decades suggest that it is very close to extinction here. The distribution limited a small number vanishing lentic habitats (oxbow lakes, marshlands). These ...