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Species · Molluscs

Leach's Bithynia

Bithynia leachii

1,558Records since 2000
MayPeak month
45Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan10
Feb3
Mar77
Apr215
May376
Jun253
Jul192
Aug118
Sep130
Oct87
Nov31
Dec38

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1West Lothian Scotland161
2Norfolk England141
3Somerset England120
4City of Edinburgh Scotland118
5Falkirk Scotland100
6Glasgow City Scotland61
7East Dunbartonshire Scotland60
8Kent England59
9Cambridgeshire England48
10Monmouthshire Wales48
11Suffolk England37
12East Riding of Yorkshire England36
13West Dunbartonshire Scotland29
14Doncaster England27
15North Lanarkshire Scotland27
867 England578 Scotland76 Wales2 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 45 counties in all.

About this species

Records since 2000
1,558
Peak month
May
Counties with records
45
IUCN Red List
Least Concern
Scientific name
Bithynia leachii
Group
Molluscs
NBN Atlas records since 2000
1,539
Conservation designations
Global Red List (JNCC), GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Order
Littorinimorpha
Family
Bithyniidae
Genus
Bithynia
Name with authority
Bithynia leachii (Sheppard, 1823)
Described
1823
Contributing datasets
20

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3202448 · GBIF 5778074