RiverFish

European eel · Anguilla anguilla

European eel in the River Tweed

Largest measured european eel: 35.8 cm

The largest european eel measured in Environment Agency surveys of the River Tweed was 35.8 cm, recorded at Willow burn at Selby's Hill on 26 August 2015.

Across 46 measured european eel, the median measured length was 24 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 Tweed.

See european eel records across England →

Most recent observation28 June 2019Horncliffe Mill Burn · 20 fish
Largest measured european eel
35.8 cm
Median length
24 cm
Fish measured
46
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
35.8 cm26 Aug 2015Willow burn at Selby's Hill146204
33.8 cm26 Aug 2015Willow burn at Selby's Hill146204
33 cm28 Jun 2019Horncliffe Mill Burn154722
32 cm28 Jun 2019Horncliffe Mill Burn154722
31 cm28 Jun 2019Horncliffe Mill Burn154722
31 cm4 Aug 2009River Whiteadder at Edrington Mill120983
30.9 cm28 Jun 2019Horncliffe Mill Burn154722
30.3 cm26 Aug 2015Willow burn at Selby's Hill146204
29.4 cm28 Jun 2019Horncliffe Mill Burn154722
29.3 cm28 Jun 2019Horncliffe Mill Burn154722

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
Horncliffe Mill Burn28 Jun 201928 Jun 20191
Willow burn at Selby's Hill26 Aug 201526 Aug 20151
Velvet Hall Burn at Statefordbye26 Aug 201526 Aug 20151
River Whiteadder at Edrington Mill4 Aug 20094 Aug 20091

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

2009–2019

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 46 measured fish were spread across different length ranges.

Smallest
7 cm
Lower quarter
18.2 cm
Median
24 cm
Upper quarter
27.9 cm
Largest
35.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tweed

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

3-spined stickleback Brown / sea trout Stone loach

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 →