RiverFish

European eel · Anguilla anguilla

European eel in the River Brent

Largest measured european eel: 64.2 cm

The largest european eel measured in Environment Agency surveys of the River Brent was 64.2 cm, recorded at Greenford Bridge on 25 October 2016.

Across 97 measured european eel, the median measured length was 42.5 cm.

Surveyors recorded one individual weight: 11.3 oz (0.321 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 Brent.

See european eel records across England →

Most recent observation17 October 2024Greenford Bridge · 14 fish
Largest measured european eel
64.2 cm
Median length
42.5 cm
Fish measured
97
Survey locations
4

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
64.2 cm25 Oct 2016Greenford Bridge149936
60 cm21 Oct 2010Greenford Bridge125011
59.7 cm22 Jun 2017Tokyngton Park150628
59.5 cm15 Oct 2024Hanwell Bridge167831
58.3 cm22 Jun 2017Tokyngton Park150628
58 cm17 Oct 2024Greenford Bridge168390
57 cm15 Oct 2024Hanwell Bridge167831
57 cm17 Oct 2023Greenford Bridge164454
57 cm26 Oct 2022Greenford Bridge162181
56.5 cm17 Oct 2023Hanwell Bridge164461

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
Greenford Bridge21 Oct 201017 Oct 20245
Hanwell Bridge17 Mar 199915 Oct 20245
Tokyngton Park22 Jun 201722 Jun 20171
Boston Manor Park (Brent/GUC)3 Nov 19943 Nov 19941

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

1994–2024

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 97 measured fish were spread across different length ranges.

Smallest
12.3 cm
Lower quarter
34.7 cm
Median
42.5 cm
Upper quarter
50.4 cm
Largest
64.2 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
11.3 oz (0.321 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 Brent

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

Perch Roach 3-spined stickleback Gudgeon Common carp Dace

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 →