Ключевые слова: algae, animal, aquatic, behavior, biodiversity, calm, carp, colorful, creature, debris, ecological balance, ecology, ecosystem, environment, exploration, fauna, feeding, fish, fisheries, foraging, freshwater, habitat, habitats, inhabitants, life, lush, marine, marine biology, murky, natural, nature, observing, organic, pond, river, riverbed, sediment, shallow, surface, swimming, tranquility, underwater, vegetation, water, wildlife,