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Species · Crustaceans

Rough barnacle

Balanus balanus

1,451Records since 2000
SeptemberPeak month
26Counties with records

When it is recorded

Jan14
Feb9
Mar79
Apr58
May126
Jun184
Jul241
Aug279
Sep315
Oct102
Nov28
Dec4

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

Where it is recorded

#CountyNationRecordsShare
1Gwynedd Wales41
2Ards and North Down Northern Ireland24
3Highland Scotland23
4Argyll and Bute Scotland21
5Isle of Anglesey Wales20
6Newry, Mourne and Down Northern Ireland17
7Pembrokeshire Wales12
8Na h-Eileanan Siar Scotland9
9Causeway Coast and Glens Northern Ireland8
10Fife Scotland7
11Scottish Borders Scotland7
12North Ayrshire Scotland7
13Orkney Islands Scotland6
14East Lothian Scotland4
15Aberdeenshire Scotland4
203 England488 Scotland347 Wales204 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 26 counties in all.

About this species

Records since 2000
1,451
Peak month
September
Counties with records
26
Scientific name
Balanus balanus
Group
Crustaceans
NBN Atlas records since 2000
1,314
Kingdom
Animalia
Phylum
Arthropoda
Class
Maxillopoda
Order
Sessilia
Family
Balanidae
Genus
Balanus
Name with authority
Balanus balanus (Linnaeus, 1758)
Described
1758
Contributing datasets
43

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3808835 · GBIF 2115719