When it is recorded
Jan39
Feb44
Mar167
Apr359
May583
Jun630
Jul542
Aug351
Sep344
Oct191
Nov67
Dec81
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Norfolk | England | 306 | |
| 2 | West Lothian | Scotland | 218 | |
| 3 | City of Edinburgh | Scotland | 215 | |
| 4 | Falkirk | Scotland | 179 | |
| 5 | Somerset | England | 173 | |
| 6 | Suffolk | England | 108 | |
| 7 | Cambridgeshire | England | 96 | |
| 8 | Monmouthshire | Wales | 93 | |
| 9 | North Yorkshire | England | 88 | |
| 10 | Kent | England | 79 | |
| 11 | East Dunbartonshire | Scotland | 79 | |
| 12 | East Riding of Yorkshire | England | 78 | |
| 13 | Dumfries and Galloway | Scotland | 69 | |
| 14 | Glasgow City | Scotland | 68 | |
| 15 | Doncaster | England | 64 |
2,084 England908 Scotland325 Wales28 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 78 counties in all.
About this species
- Records since 2000
- 3,450
- Peak month
- June
- Counties with records
- 78
- IUCN Red List
- Least Concern
- Scientific name
- Bithynia tentaculata
- Group
- Molluscs
- NBN Atlas records since 2000
- 3,346
- Most recorded in
- Norfolk, West Lothian, City of Edinburgh, Falkirk, Somerset, Suffolk, Cambridgeshire, Monmouthshire, North Yorkshire, Kent, East Dunbartonshire, East Riding of Yorkshire +5
- Conservation designations
- GB Red List (2001 IUCN criteria)
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Gastropoda
- Order
- Littorinimorpha
- Family
- Bithyniidae
- Genus
- Bithynia
- Name with authority
- Bithynia tentaculata (Linnaeus, 1758)
- Described
- 1758
- Contributing datasets
- 30
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q835427 · GBIF 2299854