What is a "water bug"?

A water bug is a type of aquatic insect that belongs to various families, such as the Corixidae or Belostomatidae. It is adapted for life in freshwater habitats, such as ponds, lakes, and streams. Water bugs have elongated bodies and legs, which enable them to swim efficiently. They possess specialized adaptations for capturing and feeding small aquatic organisms. Some species of water bugs, like the giant water bug, can grow to impressive sizes. While most water bugs are harmless to humans, some larger species are capable of delivering painful bites if handled or disturbed. Overall, water bugs play important roles in aquatic ecosystems, serving as predators and contributing to the balance of the ecosystem they inhabit.