microscopic view of algae covered freshwater copepod cyclops. back part with eggs

algae animal aquatic background biology black close copepod cover coverage covered crustacean crustaceans cyclops dark darkfield detail ecology egg eggs enlarge enlarged flea fleas fragment freshwater illumination light macro magnification magnify many micrograph microphotograph microphotography microscopic microscopy nature organism planktonic reproduce reproduction reproductive science scientific transmitted water zoological zoology