RiverFish

European eel · Anguilla anguilla

European eel in the Cock Beck

Largest measured european eel: 31.2 cm

The largest european eel measured in Environment Agency surveys of the Cock Beck was 31.2 cm, recorded at Downstream Crooked Billet on 17 August 2011.

Across 15 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 Cock Beck.

See european eel records across England →

Most recent observation30 August 2017Low Lead Farm · 12 fish
Largest measured european eel
31.2 cm
Median length
20 cm
Fish measured
15
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
31.2 cm17 Aug 2011Downstream Crooked Billet129148
31 cm22 Aug 2014Downstream Stutton Road Bridge142937
30 cm30 Aug 2017Low Lead Farm151599
30 cm30 Aug 2017Low Lead Farm151599
30 cm30 Aug 2017Low Lead Farm151599
23.7 cm17 Aug 2011Downstream Crooked Billet129148
20 cm30 Aug 2017Low Lead Farm151599
20 cm30 Aug 2017Low Lead Farm151599
20 cm30 Aug 2017Low Lead Farm151599
20 cm30 Aug 2017Low Lead Farm151599

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
Low Lead Farm30 Aug 201730 Aug 20171
Leyfield Farm (u/s Aberford)30 Aug 201730 Aug 20171
Downstream Stutton Road Bridge13 Jul 200430 Aug 20173
Downstream Crooked Billet13 Jul 200417 Aug 20113
Upstream Stutton Road Bridge13 Jul 200413 Jul 20041
Cock Beck Downstream A6413 Jul 200413 Jul 20041

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

2004–2017

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 15 measured fish were spread across different length ranges.

Smallest
15 cm
Lower quarter
20 cm
Median
20 cm
Upper quarter
30 cm
Largest
31.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Cock Beck

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

Bullhead Brown / sea trout Minnow Chub Dace Stone loach

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 →