RiverFish

European eel · Anguilla anguilla

European eel in the River Roeburn

Largest measured european eel: 65 cm

The largest european eel measured in Environment Agency surveys of the River Roeburn was 65 cm, recorded at Wray at Mole End Cottage on 11 September 1991.

Across 153 measured european eel, the median measured length was 29 cm.

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

See european eel records across England →

Most recent observation13 August 2025Wray at Mole End Cottage · 18 fish
Largest measured european eel
65 cm
Median length
29 cm
Fish measured
153
Survey locations
3

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
65 cm11 Sept 1991Wray at Mole End Cottage115230
55 cm11 Sept 1991Wray at Mole End Cottage115230
52 cm22 Aug 2017Wray at Mole End Cottage151384
52 cm11 Sept 1991Wray at Mole End Cottage115230
50 cm17 Aug 2016Wray at Mole End Cottage149028
49 cm23 Jul 2019Wray at Mole End Cottage154952
49 cm17 Aug 2016Wray at Mole End Cottage149028
49 cm8 Aug 2007Wray at Mole End Cottage106263
49 cm8 Aug 2007Wray at Mole End Cottage106263
48 cm23 Jul 2019Wray at Mole End Cottage154952

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
Wray at Mole End Cottage11 Sept 199113 Aug 20258
Mallowdale WFD and Habitat Site9 Aug 200717 Aug 20163
Winder Wood18 Aug 198618 Aug 19861

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

1986–2025

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 153 measured fish were spread across different length ranges.

Smallest
10 cm
Lower quarter
20 cm
Median
29 cm
Upper quarter
36.5 cm
Largest
65 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Roeburn

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 →