RiverFish

European eel · Anguilla anguilla

European eel in the Great Eau FMU

Largest measured european eel: 45.5 cm

The largest european eel measured in Environment Agency surveys of the Great Eau FMU was 45.5 cm, recorded at Woods Farm on 16 November 2012.

Across 42 measured european eel, the median measured length was 29 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Great Eau FMU.

See european eel records across England →

Most recent observation2 June 2022Withern Road Bridge
Largest measured european eel
45.5 cm
Median length
29 cm
Fish measured
42
Survey locations
13

Individual EA measurements

Largest measured european eel

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
45.5 cm16 Nov 2012Woods Farm135714
45 cm24 Apr 2007Woods Farm105205
44 cm27 Nov 2013Withern Road Bridge140209
43 cm27 Nov 2013Withern Road Bridge140209
42.5 cm27 Nov 2013Withern Road Bridge140209
42 cm27 Nov 2013Withern Road Bridge140209
40.5 cm27 Nov 2013Withern Road Bridge140209
39 cm27 Nov 2013Withern Road Bridge140209
38 cm27 Nov 2013Withern Road Bridge140209
37.5 cm24 Apr 2007Woods Farm105205

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where european eel were found

Each point marks a survey location with at least one european eel record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding european eel
Withern Road Bridge16 Oct 19892 Jun 20227
Claythorpe Gauging Station18 Oct 19891 Jun 20228
Gayton Engine20 May 19864 Jun 20184
Woods Farm18 Aug 19861 Jun 20187
Barfen Farm12 Oct 198926 Jun 19952
Upstream R/B Sea Doors27 Jun 19866 Jun 19953
Sea View Road23 Oct 19895 Jun 19952
Rimac10 Jul 19862 Jun 19953
Cloves Bridge Upstream9 Jul 19861 Jun 19955
Belleau Spring18 Aug 198611 Apr 19953
Will Row12 Oct 19896 May 19922
Gayton Le Marsh11 Oct 198911 Oct 19891
Gayton Pump9 May 19869 May 19861

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1986–2022

Survey records by year

Each bar shows how many survey visits recorded european eel that year.

Fish measured by surveyors

Measured length distribution

See how the 42 measured fish were spread across different length ranges.

Smallest
8.5 cm
Lower quarter
20.4 cm
Median
29 cm
Upper quarter
36.5 cm
Largest
45.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Great Eau FMU

Compare other species with enough survey and measurement data for a detailed page.

3-spined stickleback Stone loach Roach Pike Dace Perch

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →