RiverFish

European eel · Anguilla anguilla

European eel in the River Keer

Largest measured european eel: 55 cm

The largest european eel measured in Environment Agency surveys of the River Keer was 55 cm, recorded at Pack Horse Bridge Upstream Railway Viaduct on 16 June 2016.

Across 766 measured european eel, the median measured length was 20 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 Keer.

See european eel records across England →

Most recent observation30 September 2025High Keer Bridge at Kellet Lane · 18 fish
Largest measured european eel
55 cm
Median length
20 cm
Fish measured
766
Survey locations
15

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
55 cm16 Jun 2016Pack Horse Bridge Upstream Railway Viaduct148251
55 cm11 Aug 2010Pack Horse Bridge Upstream Railway Viaduct123463
50 cm11 Aug 2010Pack Horse Bridge Upstream Railway Viaduct123463
50 cm22 Aug 1995Pine Lake Outlet114213
48 cm26 Sept 1995Keer Wood114222
48 cm22 Aug 1995Pine Lake Outlet114213
47 cm16 Jun 2016Pack Horse Bridge Upstream Railway Viaduct148251
47 cm21 Aug 2012Downstream Keer West Bridge132921
46 cm23 Aug 1995Downstream A6114214
45 cm11 Aug 2010High Keer Bridge at Kellet Lane123466

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
High Keer Bridge at Kellet Lane23 Aug 199530 Sept 202516
Downstream Keer West Bridge26 Sept 199517 Jun 202414
Cinder Hill Farm16 Aug 201026 Jul 20222
Upstream Keer Falls25 Jul 202225 Jul 20221
Borwick Lodge13 Aug 201025 Jul 20222
Downstream Wash Dub Wood26 Sept 19951 Jul 20224
Pack Horse Bridge Upstream Railway Viaduct29 Aug 199515 Jun 20225
Pine Lake Outlet22 Aug 199517 Jul 20002
Carnforth Angler's Pond29 Aug 199517 Jul 20002
Keer Wood26 Sept 199526 Sept 19951
Downstream Greenbank Farm26 Sept 199526 Sept 19951
Downstream A623 Aug 199523 Aug 19951
Truck Stop22 Aug 199522 Aug 19951
Near Galley Hall, next to Railway Line22 Aug 199522 Aug 19951
BFI Waste Care22 Aug 199522 Aug 19951

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

1995–2025

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 766 measured fish were spread across different length ranges.

Smallest
6 cm
Lower quarter
13 cm
Median
20 cm
Upper quarter
27 cm
Largest
55 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Keer

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

Brown / sea trout Atlantic salmon Brook lamprey River lamprey

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 →