RiverFish

European eel · Anguilla anguilla

European eel in the River Len

Largest measured european eel: 94 cm

The largest european eel measured in Environment Agency surveys of the River Len was 94 cm, recorded at Fulling Mill on 16 August 2004.

Across 86 measured european eel, the median measured length was 38.5 cm.

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

See european eel records across England →

Most recent observation24 July 2023Turkey Mill · 44 fish
Largest measured european eel
94 cm
Median length
38.5 cm
Fish measured
86
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
94 cm16 Aug 2004Fulling Mill82993
90 cm8 Oct 2009Leeds Castle 1120349
82 cm8 Oct 2009Leeds Castle 1120349
77 cm7 Sept 2011Fulling Mill128336
76 cm8 Oct 2009Leeds Castle 1120349
73.2 cm8 Oct 2009Leeds Castle 1120349
71.8 cm8 Oct 2009Leeds Castle 1120349
71 cm16 Sept 2004Chegworth82960
69 cm24 Jul 2023Turkey Mill163087
69 cm1 Aug 2017Turkey Mill151120

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
Turkey Mill20 Aug 200224 Jul 20235
Fulling Mill16 Aug 200412 Jul 20234
Thurnham Mill1 Sept 20171 Sept 20171
Chegworth16 Sept 200419 Apr 20112
Leeds Castle 18 Oct 20098 Oct 20091
Caring Lane2 Oct 20092 Oct 20091

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

2002–2023

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 86 measured fish were spread across different length ranges.

Smallest
10 cm
Lower quarter
20 cm
Median
38.5 cm
Upper quarter
56 cm
Largest
94 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Len

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

Gudgeon Perch Pike Roach Common bream Bullhead

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 →