RiverFish

European eel · Anguilla anguilla

European eel in the Losterdale Brook

Largest measured european eel: 51 cm

The largest european eel measured in Environment Agency surveys of the Losterdale Brook was 51 cm, recorded at Downstream Sykes Farm on 10 July 2009.

Across 22 measured european eel, the median measured length was 32.5 cm.

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

See european eel records across England →

Most recent observation23 July 2021Upstream Sykes Farm · 5 fish
Largest measured european eel
51 cm
Median length
32.5 cm
Fish measured
22
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
51 cm10 Jul 2009Downstream Sykes Farm117813
46 cm23 Jul 2021Upstream Sykes Farm159986
45 cm3 Aug 1993Upstream Sykes Farm112912
40 cm23 Jul 2021Upstream Sykes Farm159986
39 cm3 Aug 1993Downstream Sykes Farm112914
38 cm15 Jul 2015Upstream Sykes Farm145484
36 cm15 Jul 2015Upstream Sykes Farm145484
34 cm10 Jul 2009Upstream Sykes Farm117809
33 cm10 Jul 2009Downstream Sykes Farm117813
33 cm10 Jul 2009Downstream Sykes Farm117813

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 Sykes Farm3 Aug 199323 Jul 20214
Downstream Sykes Farm3 Aug 199310 Jul 20092

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

1993–2021

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 22 measured fish were spread across different length ranges.

Smallest
20 cm
Lower quarter
28 cm
Median
32.5 cm
Upper quarter
37.5 cm
Largest
51 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Losterdale Brook

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

Brown / sea trout Atlantic salmon

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 →