RiverFish

European eel · Anguilla anguilla

European eel in the River Brock

Largest measured european eel: 60 cm

The largest european eel measured in Environment Agency surveys of the River Brock was 60 cm, recorded at Myerscough College on 14 July 2011.

Across 1,094 measured european eel, the median measured length was 15 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 Brock.

See european eel records across England →

Most recent observation22 September 2025Myerscough College · 11 fish
Largest measured european eel
60 cm
Median length
15 cm
Fish measured
1,094
Survey locations
7

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
60 cm14 Jul 2011Myerscough College126982
60 cm14 Jul 2011Myerscough College126982
58 cm30 Jul 2010Myerscough College123215
52 cm15 Jul 2010Brock Bottoms122887
50 cm13 Sept 2006Nearer Light Ash101330
47 cm13 Sept 2006Nearer Light Ash101330
45.6 cm14 Jul 2011Myerscough College126982
45 cm15 Aug 2022Myerscough College161289
45 cm15 Jul 2010Brock Bottoms122887
44 cm26 Aug 2005Brock Bottoms87323

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
Myerscough College1 Oct 200222 Sept 202520
Brock Bottoms26 Aug 200528 Jun 20163
Nearer Light Ash24 Aug 199913 Sept 20063
Packhorse Bridge6 Oct 19996 Oct 19991
A6 Road Bridge24 Aug 199924 Aug 19991
Jack Anderton Bridge2 Aug 19992 Aug 19991
Bleasedale Post Office2 Aug 19992 Aug 19991

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

1999–2025

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 1,094 measured fish were spread across different length ranges.

Smallest
6.5 cm
Lower quarter
12 cm
Median
15 cm
Upper quarter
21 cm
Largest
60 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Brock

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

Brown / sea trout Atlantic salmon Dace Brook lamprey Chub Flounder

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 →