Freshwater Nerite - Theodoxus fluviatilis

Alternative names
River Nerite
Description

Shell size 4 to 8 mm. The shells are very attractively and highly patterned but are very variable in appearance, usually having a combination of creamy white and dark browns.

Identification difficulty
Habitat

Found in lakes, rivers and streams – even in slightly brackish water.

When to see it

All year round.

Life History

This species is an algae eater.

UK Status

Widespread and fairly frequent in central and southern England, less common elsewhere in Britain.

VC55 Status

Uncommon, or under-recorded, in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

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

UK Map

Species profile

Common names
Nerite snail, River Nerit, Freshwater Nerite, River Nerite
Species group:
Slugs & Snails
Kingdom:
Animalia
Order:
Cycloneritimorpha
Family:
Neritidae
Records on NatureSpot:
4
First record:
15/08/1981 (Nicholls, David)
Last record:
01/05/2015 (Nicholls, David)

Total records by month

% of records within its species group

10km squares with records

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