The water strider is an insect known for its ability to walk on the surface of water. It belongs to the family Gerridae and is commonly found in ponds, lakes, and slow-moving streams. Water striders have long legs that distribute their weight, allowing them to take advantage of the surface tension of water. These insects primarily feed on small insects that fall onto the water's surface. They use their front legs to capture prey, which they can detect through vibrations on the water. Water striders are also known for their unique mating behaviors, which often involve elaborate courtship displays.