RiverFish

European eel · Anguilla anguilla

European eel in the Mearley Brook

Largest measured european eel: 54 cm

The largest european eel measured in Environment Agency surveys of the Mearley Brook was 54 cm, recorded at Mearley Brook Sewage Works on 14 July 2014.

Across 43 measured european eel, the median measured length was 28 cm.

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

See european eel records across England →

Most recent observation5 August 2021Mearley Brook Sewage Works · 8 fish
Largest measured european eel
54 cm
Median length
28 cm
Fish measured
43
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
54 cm14 Jul 2014Mearley Brook Sewage Works141960
52 cm5 Aug 2021Mearley Brook Sewage Works160060
51 cm5 Aug 2021Mearley Brook Sewage Works160060
44 cm14 Jul 2014Mearley Brook Sewage Works141960
41 cm14 Jul 2014Mearley Brook Sewage Works141960
40 cm14 Jul 2014Mearley Brook Sewage Works141960
38 cm10 Oct 2008Mearley Brook Sewage Works115222
36 cm5 Aug 2021Mearley Brook Sewage Works160060
35 cm14 Jul 2014Mearley Brook Sewage Works141960
35 cm14 Jul 2014Mearley Brook Sewage Works141960

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
Mearley Brook Sewage Works5 Aug 19915 Aug 20215
Near Twin Brook Farm16 Jul 201416 Jul 20141

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

1991–2021

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 43 measured fish were spread across different length ranges.

Smallest
12 cm
Lower quarter
24.5 cm
Median
28 cm
Upper quarter
34.5 cm
Largest
54 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Mearley Brook

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

Brown / sea trout

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 →