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Species · Sponges

Elephant ear sponge

Pachymatisma johnstonia

5,537Records since 2000
SeptemberPeak month
21Counties with records

When it is recorded

Jan27
Feb56
Mar69
Apr343
May694
Jun812
Jul904
Aug800
Sep1,488
Oct233
Nov47
Dec24

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

Where it is recorded

#CountyNationRecordsShare
1Pembrokeshire Wales77
2Causeway Coast and Glens Northern Ireland54
3Gwynedd Wales48
4Highland Scotland45
5Argyll and Bute Scotland37
6Torbay England32
7Isle of Anglesey Wales26
8Na h-Eileanan Siar Scotland17
9Dorset England15
10Shetland Islands —8
11Cornwall England7
12Devon England4
13Orkney Islands Scotland4
14Newry, Mourne and Down Northern Ireland4
15Mid and East Antrim Northern Ireland3
2,887 England693 Scotland1,311 Wales394 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 21 counties in all.

About this species

Records since 2000
5,537
Peak month
September
Counties with records
21
Scientific name
Pachymatisma johnstonia
Group
Sponges
NBN Atlas records since 2000
6,252
Kingdom
Animalia
Phylum
Porifera
Class
Demospongiae
Order
Tetractinellida
Family
Geodiidae
Genus
Pachymatisma
Name with authority
Pachymatisma johnstonia (Bowerbank, 1842)
Described
1842
Contributing datasets
34

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q1844789 · GBIF 5182610