RiverFish

European eel · Anguilla anguilla

European eel in the Bier Beck

Largest measured european eel: 52 cm

The largest european eel measured in Environment Agency surveys of the Bier Beck was 52 cm, recorded at Holden Upstream Bridge on 12 August 2003.

Across 24 measured european eel, the median measured length was 29.5 cm.

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

See european eel records across England →

Most recent observation8 July 2021Holden Upstream Bridge · 1 fish
Largest measured european eel
52 cm
Median length
29.5 cm
Fish measured
24
Survey locations
2

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
52 cm12 Aug 2003Holden Upstream Bridge78338
45 cm8 Jul 1998Holden Upstream Bridge112244
41 cm5 Aug 2014Holden Upstream Bridge142304
41 cm8 Jul 1998Holden Upstream Bridge112244
40 cm5 Aug 2014Holden Upstream Bridge142304
40 cm11 Sept 2008Bolton Mill Farm114428
35 cm5 Aug 2014Holden Upstream Bridge142304
35 cm11 Sept 2008Holden Upstream Bridge114427
32 cm5 Aug 2014Holden Upstream Bridge142304
32 cm5 Aug 2014Holden Upstream Bridge142304

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
Holden Upstream Bridge8 Jul 19988 Jul 20215
Bolton Mill Farm11 Sept 200811 Sept 20081

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

1998–2021

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 24 measured fish were spread across different length ranges.

Smallest
18 cm
Lower quarter
25 cm
Median
29.5 cm
Upper quarter
36.3 cm
Largest
52 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bier 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 →