Whirlpool Ramshorn - Anisus vortex

Alternative names
Planorbis vortex

Shell size: 7-10mm. This is a small snail is usually pale brown with 6 to 7 tightly coiled whorls. The shell is very thin and flat with a sharp keel at one edge and the outer shell wall noticeably angled away from this keel.

Identification difficulty

Freshwater ponds and streams with vegetation.

When to see it

All year round.

UK Status

Widespread and fairly frequent in England, less well recorded in Scotland and Wales.

VC55 Status

Common in Leicestershire and Rutland.

be our species champion

Leicestershire & Rutland Map


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

UK Map