RiverFish

European eel · Anguilla anguilla

European eel in the River Lee

Largest measured european eel: 95 cm

The largest european eel measured in Environment Agency surveys of the River Lee was 95 cm, recorded at Powder Mill Cut on 2 October 2003.

Across 479 measured european eel, the median measured length was 37 cm.

Surveyors recorded one individual weight: 1 lb 13.6 oz (0.84 kg).

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

See european eel records across England →

Most recent observation23 July 2026Amwell Loop · 1 fish
Largest measured european eel
95 cm
Median length
37 cm
Fish measured
479
Survey locations
15

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
95 cm2 Oct 2003Powder Mill Cut78018
93.1 cm8 Aug 2006Hyde Mill100743
93 cm12 Oct 2010Stonebridge to Tottenham Lock124478
90.2 cm5 Jul 2011Fishers Green126835
90 cm12 Oct 2010Stonebridge to Tottenham Lock124478
90 cm12 Oct 2010Stonebridge to Tottenham Lock124478
89 cm3 Aug 2012Fishers Green132648
88 cm18 Sept 2006Fishers Green101523
87.1 cm9 Aug 2006Woolmers Park100586
86.7 cm8 Aug 2017Fishers Green151275

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
Amwell Loop23 Jul 202623 Jul 20261
Fishers Green18 Sept 20067 Jul 202610
Hackney Marshes11 Nov 200311 Sept 202514
Kings Weir11 Jun 19922 Jun 20152
Tottenham Lock d/s13 Oct 201013 Oct 20101
Stonebridge to Tottenham Lock7 Oct 200912 Oct 20102
d/s Leebridge Rd7 Oct 20097 Oct 20091
Powder Mill Cut22 Oct 19928 Jul 20094
Flour Mills Loop11 Feb 19931 Jul 20096
Essendon10 Sept 200426 Aug 20082
Stanborough Park10 Sept 200310 Aug 20085
Woolmers Park9 Aug 20069 Aug 20061
Waterdale22 Oct 20029 Aug 20065
Hyde Mill9 Oct 20028 Aug 20063
Wheathampstead18 Oct 200227 Sept 20053

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

1992–2026

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 479 measured fish were spread across different length ranges.

Smallest
2.7 cm
Lower quarter
21 cm
Median
37 cm
Upper quarter
52 cm
Largest
95 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
1 lb 13.6 oz (0.84 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Lee

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

Roach Perch Gudgeon Minnow Chub Pike

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 →