This especially applies to the large pointed snail known as the greater pond snail or freshwater whelk.

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.

Rare animals found included the Great Pond Snail Lymnaea stagnalis, another snail which is apparently at the northern limit of its range in Britain, and a freshwater limpet Acroloxus lacustris.

Rare animals found included the Great Pond Snail Lymnaea stagnalis, another snail which is apparently at the northern limit of its range in Britain, and a freshwater limpet Acroloxus lacustris.