RiverFish

European eel · Anguilla anguilla

European eel in the River Swale

Largest measured european eel: 45 cm

The largest european eel measured in Environment Agency surveys of the River Swale was 45 cm, recorded at Myton Grange on 6 July 2022.

Across 5 measured european eel, the median measured length was 30 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 Swale.

See european eel records across England →

Most recent observation6 July 2022Myton Grange · 2 fish
Largest measured european eel
45 cm
Median length
30 cm
Fish measured
5
Survey locations
19

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
45 cm6 Jul 2022Myton Grange161093
40 cm6 Jul 2022Myton Grange161093
30 cm19 Jul 2017Brafferton150963
17 cm6 Jul 2016Myton Grange148426
15 cm19 Jul 2017Brafferton150963

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
Myton Grange6 Aug 20036 Jul 20227
Brafferton1 Aug 199619 Jul 20178
Skipton-on-Swale25 Jul 19962 Jul 20137
Maunby Demesne Upper Site11 Aug 200326 Aug 20117
Leckby25 Jul 20052 Jul 20103
Brompton-on-Swale, Thornborough Farm9 Aug 200010 Aug 20063
Morton-on-Swale15 Aug 20009 Aug 20062
Colburn (Broken Brae Caravan Park)8 Aug 20058 Aug 20051
Langton Grange3 Aug 20053 Aug 20051
Langton Bridge10 Aug 20003 Aug 20053
Catton2 Aug 20052 Aug 20051
Baldersby2 Aug 20052 Aug 20051
Holme25 Jun 19961 Aug 20053
Topcliffe Caravan Park28 Jul 200528 Jul 20051
Richmond27 Jul 200527 Jul 20051
Far Fairholme25 Jul 200226 Jul 20052
Fawdington23 Jul 200221 Jul 20052
Thornton Bridge20 Jul 200520 Jul 20051
Maunby Demesne26 Jun 199616 Aug 20002

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

1996–2022

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 5 measured fish were spread across different length ranges.

Smallest
15 cm
Lower quarter
17 cm
Median
30 cm
Upper quarter
40 cm
Largest
45 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Swale

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

Minnow Chub Bullhead Stone loach Dace Grayling

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 →