This study’s objective was to explore some of the annual Prussian carp’s (Carassius gibelio) biological characteristics (sex ratio, length–weight and gonado somatic index - GSI) in Kopački Rit Nature Park Croatia. The carp is an invasive fish species originated from Asia, which became widely distributed throughout Europe believed be responsible for a decline number indigenous fish, invertebrate...

In this research, in order to observe the seasonal change between April 2014 and February 2015, heavy metal contents water, sediment Carassius gibelio (Bloch, 1782) tissues (muscle, gill liver) growing Eber Lake were determined. The obtained results showed that trace elements founded fish tissues. Among average annual concentrations of water samples, highest concentration was found for Mn (0.15...

The morphometric indices of red blood cells young fish various species inhabiting coastal zones the water bodies were studied. subjects research four families: Carp (Alburnus alburnus, Carassius gibelio, Rhodeus amarus, Abramis brama, Rutilus rutilus), Needles (Syngnathus abaster nigro lineatus), Centrarchidae (Lepomis gibbosus), Loaches (Cobitis taenia taenia), Gobies (Neogobius fluviatilis). ...