shoal of rhodeus amarus, european bitterling and leucaspius delineatus ornamental freshwater fishes

acheilognathinae adult amarus and animal aqua aquarium aquatic biotope bitterling caudal clear closeup cyprinid decorative delineatus dorsal driftwood endemic europe european eye fauna fin fish fishes fishkeeping freshwater gravel grey gudgeon leucaspius line lips live local macro male mouth native natural nature operculum ornamental photo plant rhodeus river shoal squama sunbleak tank temperate topmouth underwater water weed widespread wild