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Species · Molluscs

Great Grey Slug

Limax maximus

6,803Records since 2000
MayPeak month
121Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan136
Feb221
Mar383
Apr829
May964
Jun806
Jul761
Aug749
Sep815
Oct640
Nov276
Dec218

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

Where it is recorded

#CountyNationRecordsShare
1North Yorkshire England331
2Highland Scotland301
3Nottinghamshire England256
4Surrey England185
5City of Edinburgh Scotland158
6East Lothian Scotland153
7Scottish Borders Scotland142
8Kent England129
9Lincolnshire England127
10Fife Scotland106
11Gloucestershire England99
12Essex England95
13Norfolk England87
14West Lothian Scotland76
15Cambridgeshire England75
4,748 England1,614 Scotland338 Wales90 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 121 counties in all.

About this species

Records since 2000
6,803
Peak month
May
Counties with records
121
IUCN Red List
Least Concern
Scientific name
Limax maximus
Group
Molluscs
NBN Atlas records since 2000
6,186
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Order
Stylommatophora
Family
Limacidae
Genus
Limax
Name with authority
Limax maximus Linnaeus, 1758
Described
1758
Contributing datasets
31

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q854808 · GBIF 2295438