Ключевые слова: ancient, animal, antique, aquatic, art, arthropoda, artwork, asexual, bioindicator, biology, black, branchiopoda, cladocera, crustacea, crustacean, ctenodaphnia, daphnia, daphniidae, drawing, ecological, ecology, engraved, engraving, etching, fauna, flea, freshwater, hyalodaphnia, indicator, life, microbiology, microorganism, microscopic, microscopy, nature, parthenogenesis, plankton, planktonic, small, vintage, water, white, wildlife, zoology, zooplankton,