When it is recorded
Jan19
Feb27
Mar333
Apr550
May423
Jun219
Jul222
Aug134
Sep595
Oct400
Nov164
Dec20
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Powys | Wales | 191 | |
| 2 | Isle of Anglesey | Wales | 191 | |
| 3 | Pembrokeshire | Wales | 178 | |
| 4 | Monmouthshire | Wales | 125 | |
| 5 | Wrexham | Wales | 119 | |
| 6 | Carmarthenshire | Wales | 108 | |
| 7 | Gwynedd | Wales | 105 | |
| 8 | Cambridgeshire | England | 97 | |
| 9 | Denbighshire | Wales | 90 | |
| 10 | Worcestershire | England | 79 | |
| 11 | Ceredigion | Wales | 71 | |
| 12 | Swansea | Wales | 68 | |
| 13 | Norfolk | England | 67 | |
| 14 | Conwy | Wales | 60 | |
| 15 | Kent | England | 56 |
814 England261 Scotland1,915 Wales37 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 89 counties in all.
About this species
- Records since 2000
- 3,172
- Peak month
- September
- Counties with records
- 89
- Scientific name
- Asellus aquaticus
- Group
- Crustaceans
- Most recorded in
- Powys, Isle of Anglesey, Pembrokeshire, Monmouthshire, Wrexham, Carmarthenshire, Gwynedd, Cambridgeshire, Denbighshire, Worcestershire, Ceredigion, Swansea +3
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Malacostraca
- Order
- Isopoda
- Family
- Asellidae
- Genus
- Asellus
- Name with authority
- Asellus aquaticus (Linnaeus, 1758)
- Described
- 1758
- Contributing datasets
- 35
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q586336 · GBIF 2206247