CHARACTERISTICS AND NEW DATA OF RIVER ILOVA ICHTHYOFAUNA (CENTRAL CROATIA)

Abstract

During the research 28 species of freshwater fish were found, belonging to 10 families. Most numerous family was Cyprinidae (18 species), followed by Percidae (3 species) and Cobitidae (2 species). Results showed that the most abundant in species were spirlin (Alburnoides bipunctatus) (17.4%), common roach (Rutilus rutilus) (15.7%) and prussian carp (Carassius gibelio) (12.8%). And in the terms of total fish weight, highest represented were asp (Aspius aspius) (28.9%), bream (Abramis brama) (18.7%) and pike (Esox lucius) (11.4%). Presence of four new fish species has been confirmed in Ilova River: bullhead (Cottus gobio), trout (Salmo trutta), danube whitefinned gudgeon (Romanogobio vladykovi) and tench (Tinca tinca).

Keywords

• ilova river
• ichthyofauna