Margined Ramshorn - Planorbis planorbis
Shell size: 9-18mm, height: 2.5-4 mm. A rather thick and strong shell. It is not glossy and it has a paler keel towards the upper part of the periphery, above the mid-line. There are 5 or 6 whorls which increase regularly in size. The mouth may be slightly expanded and sometimes bears a narrow rib inside.
Ponds, ditches, and in quiet slow flowing canals and rivers, usually in the shallower parts amongst the water weeds.
All year round.
It is found in most counties of England, and many in Ireland, but is recorded only infrequently from Wales and Scotland.
Common in Leicestershire and Rutland.
Leicestershire & Rutland Map
Enter a town or village to see local records