Ключевые слова: aquatic, aquatic ecology, aquatic habitat, aquatic insect, aquatic larvae, aquatic life, backswimmer, bug, ecosystem, entomology, freshwater, habitat, hydrodynamic, hydrodynamic design, hydrophilic, insect, invertebrate, nature, nature photography, oarlike, paddle, pond, pond skater, predatory, stream, surface tension, swim, swim bladder, vibrations, water boatman, water bug, water strider, water surface, wetland, white background, wildlife,