The Ramshorn snail is a freshwater snail belonging to the family Planorbidae. It is easily recognized by its distinctive coiled, flat shell that resembles a ram's horn. These snails are commonly found in ponds, lakes, and slow-moving rivers, where they graze on algae and decaying plant matter. Ramshorn snails play an important role in their ecosystems by helping to keep water bodies clean. They are also popular in the aquarium trade, where they are valued for their ability to control algae growth. Their presence can indicate a healthy aquatic environment, making them significant for ecological studies.