Description These ramshorn snails breathe air. Although most of them are extremely small, some may reach a size of two and a half centimetres (one inch). The shells range from translucent through various shades of brown to a dark, nearly black colour. They eat items that fall to the bottom of a pond like Algae, dead leaves that will sink to the bottom, dead or dying plants generally and dead animals these can be a problem in your pond, as they foul the water, Ramshorn snails will eat all of these things
