RiverFish

European eel · Anguilla anguilla

European eel in the River Rothay

Largest measured european eel: 53 cm

The largest european eel measured in Environment Agency surveys of the River Rothay was 53 cm, recorded at 327.00 PTC Scandale Beck on 6 September 2021.

Across 66 measured european eel, the median measured length was 21 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 Rothay.

See european eel records across England →

Most recent observation31 July 2025327.00 PTC Scandale Beck · 7 fish
Largest measured european eel
53 cm
Median length
21 cm
Fish measured
66
Survey locations
8

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
53 cm6 Sept 2021327.00 PTC Scandale Beck160216
51 cm6 Sept 2021327.00 PTC Scandale Beck160216
50 cm6 Sept 2021327.00 PTC Scandale Beck160216
50 cm30 Aug 2011327.00 PTC Scandale Beck127776
49 cm6 Sept 2021327.00 PTC Scandale Beck160216
48 cm17 Sept 2019327.00 PTC Scandale Beck155484
41 cm12 Jul 2024332.01 Rothay us Grasmere CPUE166873
40 cm17 Sept 2019327.00 PTC Scandale Beck155484
38 cm12 Sept 2023327.01 PTC Scandale Beck CPUE163272
36 cm12 Sept 2023327.01 PTC Scandale Beck CPUE163272

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
327.00 PTC Scandale Beck23 Aug 200231 Jul 202510
327.95 Rothay ds Pelter Bridge CPUE11 Aug 202312 Aug 20242
332.01 Rothay us Grasmere CPUE12 Jul 202412 Jul 20241
327.01 PTC Scandale Beck CPUE12 Sept 202312 Sept 20231
330.01 Rothay us White Moss CPUE11 Aug 202311 Aug 20231
332.00 Upstream Grasmere17 Sept 201917 Sept 20191
330.00 White Moss23 Aug 200223 Aug 20021
US Rydal Bridge2 Sept 19962 Sept 19961

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

1996–2025

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 66 measured fish were spread across different length ranges.

Smallest
7 cm
Lower quarter
15 cm
Median
21 cm
Upper quarter
32.8 cm
Largest
53 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rothay

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 →