RiverFish

European eel · Anguilla anguilla

European eel in the River Duddon

Largest measured european eel: 50 cm

The largest european eel measured in Environment Agency surveys of the River Duddon was 50 cm, recorded at 705.00 Hall Dunnerdale Bridge on 18 August 2016.

Across 121 measured european eel, the median measured length was 17.5 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 Duddon.

See european eel records across England →

Most recent observation24 September 2024705.00 Hall Dunnerdale Bridge · 8 fish
Largest measured european eel
50 cm
Median length
17.5 cm
Fish measured
121
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
50 cm18 Aug 2016705.00 Hall Dunnerdale Bridge148978
47.5 cm14 Jul 2003705.00 Hall Dunnerdale Bridge78754
42.5 cm11 Aug 2005702.00 Upstream Stone Star87095
42.5 cm14 Jul 2003705.00 Hall Dunnerdale Bridge78754
42 cm22 Aug 2011705.00 Hall Dunnerdale Bridge128794
37.5 cm9 Aug 2005705.00 Hall Dunnerdale Bridge87416
35 cm20 Jul 2022705.00 Hall Dunnerdale Bridge161194
32.5 cm18 Aug 2016705.00 Hall Dunnerdale Bridge148978
32.5 cm11 Sept 2009705.00 Hall Dunnerdale Bridge120723
32.5 cm14 Jul 2003705.00 Hall Dunnerdale Bridge78754

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
705.00 Hall Dunnerdale Bridge16 Sept 200224 Sept 20249
703.99 PTC Crosby Gill CPUE7 Jul 20235 Sept 20242
707.20 US Hinning House CPUE14 Aug 202414 Aug 20241
701.20 DS Duddon Bridge CPUE23 Aug 20232 Aug 20242
702.90 DS Ulpha Bridge CPUE7 Jul 202331 Jul 20242
701.99 US Stonestar CPUE23 Aug 202331 Jul 20242
709.00 PTC Mosedale Beck26 Jul 202426 Jul 20241
705.50 PTC Tarn Gill CPUE6 Jul 20236 Jul 20231
708.00 PTC Castle Howe9 Aug 200522 Aug 20112
701.00 Duddon Bridge12 Aug 200512 Aug 20051
707.00 Troutal11 Aug 200511 Aug 20051
703.00 Ulpha Bridge11 Aug 200511 Aug 20051
702.00 Upstream Stone Star11 Aug 200511 Aug 20051

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

2002–2024

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 121 measured fish were spread across different length ranges.

Smallest
6 cm
Lower quarter
9.2 cm
Median
17.5 cm
Upper quarter
23 cm
Largest
50 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Duddon

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

Brown / sea trout Atlantic salmon

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 →