carassius gibelio, prussian carp or gibel carp, wide-spread and very common wild freshwater fish, biotope aquarium

algae animal aqua aquarium behavior bio biotope camera carassius carp chinese clear closeup coldwater common decorative driftwood eco ecological ecology endemic europe european facing fauna fin fish fishkeeping fluviatilis freshwater gibel gibelio gravel gray line litter live local look macro moderate natural nature perca perch protection prussian river tank temperate threat underwater water weed widespread wild yellow