Aquatic snails are soft-bodied mollusks that live in water environments, including freshwater, saltwater, and brackish habitats. They have a coiled shell that protects their body and helps them float. These snails play an important role in the ecosystem by feeding on algae and decomposing plant material, which helps maintain water quality. Aquatic snails breathe through gills or a lung-like structure, depending on their species. They reproduce by laying eggs, which hatch into juvenile snails. Common types of aquatic snails include Apple Snails and Ramshorn Snails, each with unique characteristics and adaptations to their environments.