RiverFish

European eel · Anguilla anguilla

European eel in the Duddel Brook

Largest measured european eel: 38 cm

The largest european eel measured in Environment Agency surveys of the Duddel Brook was 38 cm, recorded at Holmes Farm on 6 July 1998.

Across 21 measured european eel, the median measured length was 25 cm.

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

See european eel records across England →

Most recent observation9 July 2021Upstream Boyces Beck Conf · 3 fish
Largest measured european eel
38 cm
Median length
25 cm
Fish measured
21
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
38 cm6 Jul 1998Holmes Farm112227
37 cm6 Jul 1998Holmes Farm112227
36 cm8 Aug 2003Upstream Boyces Beck Conf78514
35 cm6 Jul 1998Holmes Farm112227
31 cm9 Jul 2021Upstream Boyces Beck Conf159952
30 cm7 Aug 2014Upstream Boyces Beck Conf142394
29 cm7 Aug 2014Upstream Boyces Beck Conf142394
29 cm30 Jun 2008Upstream Boyces Beck Conf111901
26 cm9 Jul 2021Upstream Boyces Beck Conf159952
26 cm30 Jun 2008Upstream Boyces Beck Conf111901

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
Upstream Boyces Beck Conf8 Aug 20039 Jul 20214
Upstream Stydd Lodge Farm21 Oct 201021 Oct 20101
Holmes Farm6 Jul 19986 Jul 19981
Gallows Lane Downstream6 Jul 19986 Jul 19981

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

1998–2021

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 21 measured fish were spread across different length ranges.

Smallest
13 cm
Lower quarter
21 cm
Median
25 cm
Upper quarter
30 cm
Largest
38 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Duddel 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 →