carassius gibelio, prussian carp or gibel carp, juvenile freshwater fish in european biotope aquarium, underwater

animal aqua aquarium aquatic asia asian biotope carassius carp caudal clear closeup cyprinid cyprininae decorative dorsal driftwood european eye fauna fin fish fishkeeping freshwater gibel gibelio gravel grey invasive juvenile line lips live local macro mouth native natural nature operculum ornamental photo predator prussian river squama tank underwater water weed widespread wild