RiverFish

European eel · Anguilla anguilla

European eel in the River Lymn FMU

Largest measured european eel: 59.5 cm

The largest european eel measured in Environment Agency surveys of the River Lymn FMU was 59.5 cm, recorded at Partney Bridge on 11 July 2016.

Across 173 measured european eel, the median measured length was 30 cm.

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

See european eel records across England →

Most recent observation7 November 2025Mill Bridge · 3 fish
Largest measured european eel
59.5 cm
Median length
30 cm
Fish measured
173
Survey locations
6

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
59.5 cm11 Jul 2016Partney Bridge148543
55.5 cm13 Jun 2012Partney Bridge132720
45.5 cm13 Jun 2012Partney Bridge132720
45 cm13 Jun 2012Partney Bridge132720
45 cm16 Aug 2006Mill Bridge100692
44.5 cm13 Jun 2012Partney Bridge132720
44.5 cm13 Jun 2012Partney Bridge132720
42.5 cm13 Jun 2012Partney Bridge132720
42 cm16 Aug 2006Mill Bridge100692
41.5 cm11 Jul 2016Partney Bridge148543

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
Mill Bridge29 Sept 19877 Nov 202512
Stockwith Mill6 Oct 198718 Jul 20245
Partney Bridge6 Oct 19876 Jun 20249
Snipe Dales3 Oct 20163 Oct 20161
Raithby Bridge6 Oct 198713 Jun 20124
Moat House Farm2 Oct 19872 Apr 19963

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

1987–2025

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 173 measured fish were spread across different length ranges.

Smallest
8.2 cm
Lower quarter
24.5 cm
Median
30 cm
Upper quarter
35 cm
Largest
59.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lymn FMU

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

Bullhead Brown / sea trout 3-spined stickleback Roach Perch Brook lamprey

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 →