Great Pond Snail - Lymnaea stagnalis


Shell height: 4.5 to 6 cm. Shell width: 2 to 3 cm. The aptly named Great Pond Snail is the largest pond snail in Britain. It has a shiny yellowish brown shell, with a tall, slender and pointed spire.

Identification difficulty

The great pond snail is 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.

When to see it

All year round.

Life History

It lays large gelatinous egg-masses on weeds and other objects in the pond.

UK Status

It is common and widespread in England, but is scarce in Scotland and Wales.

VC55 Status

Fairly common in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map