Backswimmers
Backswimmers are a type of aquatic insect belonging to the family Notonectidae. They are known for their ability to swim upside-down, with their backs facing downwards. These insects have long hind legs adapted for swimming and use their sharp beak-like mouthparts to feed on other insects and small aquatic creatures. Backswimmers are often found in freshwater habitats such as ponds, lakes, and slow-moving streams.