RiverFish

European eel · Anguilla anguilla

European eel in the Swarth Beck

Largest measured european eel: 27 cm

The largest european eel measured in Environment Agency surveys of the Swarth Beck was 27 cm, recorded at Old Hall Car Park on 15 June 2022.

Across 20 measured european eel, the median measured length was 20 cm.

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

See european eel records across England →

Most recent observation15 June 2022Old Hall Car Park · 3 fish
Largest measured european eel
27 cm
Median length
20 cm
Fish measured
20
Survey locations
1

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
27 cm15 Jun 2022Old Hall Car Park161002
25 cm26 Sept 1995Old Hall Car Park112841
24 cm15 Jun 2022Old Hall Car Park161002
24 cm13 Aug 2010Old Hall Car Park123461
23 cm26 Sept 1995Old Hall Car Park112841
22 cm13 Aug 2010Old Hall Car Park123461
21 cm13 Aug 2010Old Hall Car Park123461
20.5 cm23 Jun 2016Old Hall Car Park148281
20 cm15 Jun 2022Old Hall Car Park161002
20 cm13 Aug 2010Old Hall Car Park123461

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
Old Hall Car Park26 Sept 199515 Jun 20225

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

1995–2022

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 20 measured fish were spread across different length ranges.

Smallest
10 cm
Lower quarter
15.8 cm
Median
20 cm
Upper quarter
22.3 cm
Largest
27 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Swarth Beck

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

Brown / sea trout

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 →