RiverFish

European eel · Anguilla anguilla

European eel in the Bow Lake

Largest measured european eel: 52 cm

The largest european eel measured in Environment Agency surveys of the Bow Lake was 52 cm, recorded at Leyland's Farm on 1 September 2011.

Across 8 measured european eel, the median measured length was 33 cm.

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

See european eel records across England →

Most recent observation27 June 2025Leyland's Farm · 2 fish
Largest measured european eel
52 cm
Median length
33 cm
Fish measured
8
Survey locations
3

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 cm1 Sept 2011Leyland's Farm127672
44 cm31 Jul 2014Bow lake fish farm142058
36 cm27 Jun 2025Bow Lake Fish Farm Upper177103
36 cm1 Sept 2011Leyland's Farm127672
30 cm27 Jun 2025Leyland's Farm177104
25 cm27 Jun 2025Bow Lake Fish Farm Upper177103
24 cm27 Jun 2025Leyland's Farm177104
12.6 cm26 Oct 2009Bow lake fish farm119794

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
Leyland's Farm1 Sept 201127 Jun 20252
Bow Lake Fish Farm Upper27 Jun 202527 Jun 20251
Bow lake fish farm26 Oct 200931 Jul 20142

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

2009–2025

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 8 measured fish were spread across different length ranges.

Smallest
12.6 cm
Lower quarter
24.8 cm
Median
33 cm
Upper quarter
38 cm
Largest
52 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bow Lake

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

3-spined stickleback Gudgeon Stone loach Roach Tench

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 →