Water boatmen are small, aquatic insects belonging to the family Corixidae. They are commonly found in freshwater habitats like ponds, lakes, and marshes. These insects are known for their distinctive oval shape and long, paddle-like hind legs, which they use to swim efficiently. Water boatmen are typically brown or green and can range in size from 5 to 15 millimeters. These insects are important members of their ecosystems, as they feed on algae and decaying plant matter. Water boatmen are also a food source for various predators, including fish and birds. Their presence indicates a healthy aquatic environment, making them valuable for ecological studies.