RiverFish

European eel · Anguilla anguilla

European eel in the River Ullswater tributaries

Largest measured european eel: 58 cm

The largest european eel measured in Environment Agency surveys of the River Ullswater tributaries was 58 cm, recorded at 1215.80 DS A592, Grisedale Beck on 9 July 2014.

Across 143 measured european eel, the median measured length was 31 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 Ullswater tributaries.

See european eel records across England →

Most recent observation17 July 20241200.01 At Hartsop Hall - New Channel · 1 fish
Largest measured european eel
58 cm
Median length
31 cm
Fish measured
143
Survey locations
13

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
58 cm9 Jul 20141215.80 DS A592, Grisedale Beck141628
57 cm9 Jul 20141202.00 Goldrill Beck141629
55.5 cm22 Jul 20101217.90 Glencoyne Beck123749
55 cm19 Jul 20221202.00 Goldrill Beck161468
55 cm19 Jul 20221202.00 Goldrill Beck161468
51 cm9 Jul 20141215.80 DS A592, Grisedale Beck141628
51 cm9 Jul 20141202.00 Goldrill Beck141629
51 cm28 Jul 20101201.00 Goldrill Beck, DS A592123757
50 cm19 Jul 20221202.00 Goldrill Beck161468
50 cm9 Jul 20141202.00 Goldrill Beck141629

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
1200.01 At Hartsop Hall - New Channel17 Jul 202417 Jul 20241
1217.90 Glencoyne Beck4 Aug 200830 Jul 20224
1216.95 Glenridding car park, Glenridding Beck11 Jul 200320 Jul 20225
1201.50 DS A592 New Channel, Goldrill Beck20 Jul 202220 Jul 20221
1215.80 DS A592, Grisedale Beck11 Oct 200319 Jul 20225
1202.00 Goldrill Beck29 Sept 200319 Jul 20226
1212.00 Deepdale Beck13 Aug 200918 Jul 20223
1210.00 Pasture Beck30 Jun 200918 Jul 20223
1200.00 Hartsop Hall, Kirkstone Beck16 Sept 200318 Jul 20229
1201.00 Goldrill Beck, DS A59213 Aug 200910 Aug 20164
1224.30 Aik Beck, Park Foot Caravan Park23 Jul 20085 Aug 20163
1222.00 Bannerdale Beck31 Jul 20035 Aug 20164
1213.80 Track to Homesteads, Grisedale Beck11 Jul 200328 Jul 20103

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

2003–2024

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 143 measured fish were spread across different length ranges.

Smallest
10 cm
Lower quarter
22.5 cm
Median
31 cm
Upper quarter
40 cm
Largest
58 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ullswater tributaries

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 →