Keeled Ramshorn

Keeled Ramshorn - Planorbis carinatus

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Description

The width of shell of this species is 9 to 15 mm. The shell has a noticeable keel at the center of the periphery of the body whorl.

Similar Species

Similar to Planorbis planorbis which has a keel along one side of the shell so that in profile it looks like it has been planed flat.

Identification difficulty
Habitat

Freshwater ponds, lakes and slow moving streams with muddy bottoms.

When to see it

All year round.

UK Status

Widespread in Britain though less common in the far north and the west.

VC55 Status

Common in Leicestershire and Rutland.

  • David Nicholls
    Watermead Country Park
    27 September 2013
  • David Nicholls
    Ratby garden
    29 March 2014
  • David Nicholls
    Watermead Country Park
    27 September 2013
  • Steve Mathers
    Watermead Park North
    20 June 2017
  • David Nicholls
    Ratby garden
    29 March 2014
  • David Nicholls
    Watermead Country Park
    01 May 2015

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Additional images

All NatureSpot records