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Species · Worms (annelids)

Fish Leech

Piscicola geometra

6,917Records since 2000
OctoberPeak month
67Counties with records

When it is recorded

Jan111
Feb45
Mar614
Apr625
May887
Jun187
Jul170
Aug184
Sep1,316
Oct1,572
Nov1,019
Dec173

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

Where it is recorded

#CountyNationRecordsShare
1Lincolnshire England495
2Kent England321
3Devon England319
4Dorset England315
5East Riding of Yorkshire England245
6Cambridgeshire England215
7Oxfordshire England207
8Gloucestershire England187
9Somerset England178
10North Yorkshire England154
11Powys Wales149
12Surrey England125
13Northamptonshire England117
14Essex England114
15Nottinghamshire England110
6,243 England5 Scotland665 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 67 counties in all.

About this species

Records since 2000
6,917
Peak month
October
Counties with records
67
Scientific name
Piscicola geometra
Group
Worms (annelids)
NBN Atlas records since 2000
6,981
Kingdom
Animalia
Phylum
Annelida
Class
Clitellata
Order
Rhynchobdellida
Family
Piscicolidae
Genus
Piscicola
Name with authority
Piscicola geometra (Linnaeus, 1761)
Described
1761
Contributing datasets
15

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q901837 · GBIF 5193997