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Species · Jellyfish, corals and anemones

Sickle Hydroid

Hydrallmania falcata

7,170Records since 2000
AugustPeak month
22Counties with records

When it is recorded

Jan286
Feb179
Mar363
Apr422
May659
Jun1,052
Jul1,082
Aug1,479
Sep868
Oct355
Nov137
Dec25

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

Where it is recorded

#CountyNationRecordsShare
1Isle of Anglesey Wales30
2Pembrokeshire Wales19
3Essex England12
4Gwynedd Wales10
5Argyll and Bute Scotland9
6Norfolk England5
7Kent England5
8Ceredigion Wales5
9Dorset England4
10Ards and North Down Northern Ireland4
11Cambridgeshire England3
12Highland Scotland3
13Newry, Mourne and Down Northern Ireland3
14Torbay England3
15Cumbria England2
2,138 England225 Scotland839 Wales379 Northern Ireland18 Isle of Man

Records per county (GADM level 2) and per nation; one record can count towards several areas. 22 counties in all.

About this species

Records since 2000
7,170
Peak month
August
Counties with records
22
Scientific name
Hydrallmania falcata
Group
Jellyfish, corals and anemones
NBN Atlas records since 2000
3,729
Kingdom
Animalia
Phylum
Cnidaria
Class
Hydrozoa
Order
Leptothecata
Family
Sertulariidae
Genus
Hydrallmania
Name with authority
Hydrallmania falcata (Linnaeus, 1758)
Described
1758
Contributing datasets
55

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q1879396 · GBIF 2268835