RiverFish

European eel · Anguilla anguilla

European eel in the Whit Beck, River Cocker

Largest measured european eel: 42.5 cm

The largest european eel measured in Environment Agency surveys of the Whit Beck, River Cocker was 42.5 cm, recorded at 1642.00 US road bridge to Hopebeck, Whit Beck on 23 July 2004.

Across 81 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 Whit Beck, River Cocker.

See european eel records across England →

Most recent observation23 July 20251642.00 US road bridge to Hopebeck, Whit Beck · 4 fish
Largest measured european eel
42.5 cm
Median length
21 cm
Fish measured
81
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
42.5 cm23 Jul 20041642.00 US road bridge to Hopebeck, Whit Beck81541
40 cm29 Jul 20021642.00 US road bridge to Hopebeck, Whit Beck67380
39 cm31 Jul 20151642.00 US road bridge to Hopebeck, Whit Beck145881
38 cm6 Jul 20171642.00 US road bridge to Hopebeck, Whit Beck150845
37.5 cm20 Jul 20051642.00 US road bridge to Hopebeck, Whit Beck87705
35 cm8 Jul 20211642.00 US road bridge to Hopebeck, Whit Beck160015
35 cm9 Aug 20101642.00 US road bridge to Hopebeck, Whit Beck125060
35 cm9 Aug 20101642.00 US road bridge to Hopebeck, Whit Beck125060
35 cm9 Aug 20101640.00 Scawgill Road Bridge, Whit Beck123767
34 cm23 Jul 20251642.00 US road bridge to Hopebeck, Whit Beck178431

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
1642.00 US road bridge to Hopebeck, Whit Beck29 Jul 200223 Jul 202516
1640.00 Scawgill Road Bridge, Whit Beck9 Aug 20106 Jul 20173

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

2002–2025

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 81 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
17 cm
Median
21 cm
Upper quarter
30 cm
Largest
42.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Whit Beck, River Cocker

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 →