Lymnaea stagnalis, better known as the Great Pond Snail, is a species of large air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae. Lymnaea stagnalis (Great Pond Snail) occurs throughout Europe, northern Asia and North America, a distribution which is likely to have been affected by the introduction of this species to garden ponds. Lymnaea stagnalis is the largest pond snail in Britain. The snails are found in still or slow-moving waters where there is plenty of aquatic vegetation. As the specific part of the Latin name, stagnalis, suggests, this species prefers stagnant water. Lymnaea stagnalis is classified as Least Concern (LC) on the IUCN Red List. It is common and widespread in England, but is scarce in Scotland and Wales. We supply snails originally collected and bred in Scotland.
The height of an adult shell of this species ranges from 45 – 60 mm. The width of an adul