Whirlpool Ramshorn - Anisus vortex

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Alternative names
Planorbis vortex
Description

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
Habitat

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.

  • David Nicholls
    Cossington Meadows
    05 January 2013
  • David Nicholls
    Cossington NR
    15 October 2013
  • David Nicholls
    Watermead Country Park
    01 May 2015
  • David Nicholls
    Cossington NR
    15 October 2013
  • David Nicholls
    Cossington NR
    15 October 2013
  • Graham Calow
    The Grange Fields, Broughton Astley
    25 April 2015
  • Graham Calow
    The Grange Fields, Broughton Astley
    25 April 2015

Leicestershire & Rutland Map

MAP KEY:

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

UK Map

Species data profile ?

Species profile

Common names
Whirlpool Ramshorn
Species group:
Slugs & Snails
Kingdom:
Animalia
Order:
Hygrophila
Family:
Planorbidae
Records on NatureSpot:
52
First record:
15/08/1981 (Nicholls, David)
Last record:
17/02/2024 (Nicholls, David)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records

  • David Nicholls
    Cossington Meadows
    05 January 2013
  • David Nicholls
    Watermead Country Park
    25 January 2013
  • Craig Mabbett
    Market Harborough Car Park Back Of Jordan Close
    13 February 2021
  • Saharima Roenisch
    Leicester Spinney Hill Park
    27 April 2019
  • Craig Mabbett
    Market Harborough Car Park Back Of Jordan Close
    13 February 2021