Ключевые слова: animal, aquatic, beauty in nature, behaviour, biodiversity, blue, bluegill, diving, ecology, ecosystem, fauna, fin, fish, fresh water, freshwater, gibbosus, gill, green, habitat, hovering, ichthyology, lake, lepomis, michigan, murky, nature, no people, orange, pond, pumpkinseed, river, scuba, sunfish, swimming, under, underwater, vegetation, water, wild, wild animal, wildlife,