Ключевые слова: angling, animal, aquarium, background, beautiful, belly, biology, black, bright, bullhead, closeup, color, colorful, common, cottus, creak, down, europe, european, fins, fish, fisherman, fresh, freshwater, gobi, gobio, gobius, goby, head, illustration, isolated, lake, light, nature, river, sculpin, side, small, stream, water, white, wild, wildlife,