European eel · Anguilla anguilla

European eel in the Cairn Beck

Largest measured european eel: 50 cm

The largest european eel measured in Environment Agency surveys of the Cairn Beck was 50 cm, recorded at 1177.00 Cairn Beck - US Warwick Bridge on 11 July 2006.

Across 110 measured european eel, the median measured length was 20.5 cm.

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

See european eel records across England →

Most recent observation30 June 20251177.00 Cairn Beck - US Warwick Bridge · 2 fish

Largest measured european eel: 50 cm
Median length: 20.5 cm
Fish measured: 110
Survey locations: 5

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.

Length	Survey date	Survey location	Survey ID
50 cm	11 Jul 2006	1177.00 Cairn Beck - US Warwick Bridge	101139
47.5 cm	11 Jul 2006	1177.00 Cairn Beck - US Warwick Bridge	101139
47.5 cm	11 Jul 2006	1177.00 Cairn Beck - US Warwick Bridge	101139
43 cm	29 Jul 2010	1174.00 Cairn Beck - Glencairn Mill	123876
42.5 cm	11 Jul 2006	1177.00 Cairn Beck - US Warwick Bridge	101139
42.5 cm	11 Jul 2006	1177.00 Cairn Beck - US Warwick Bridge	101139
42.5 cm	2 Sept 2003	1176.00 Cairn Beck - Warwick Hatchery	78540
42.5 cm	2 Sept 2003	1179.00 Cairn Beck - Newbiggin	78505
38 cm	14 Aug 2012	1177.00 Cairn Beck - US Warwick Bridge	133075
37.5 cm	12 Jul 2006	1176.00 Cairn Beck - Warwick Hatchery	101132

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 surveyed	First recorded	Last recorded	Visits finding european eel
1177.00 Cairn Beck - US Warwick Bridge	2 Sept 2003	30 Jun 2025	7
1174.00 Cairn Beck - Glencairn Mill	2 Sept 2003	8 Jul 2019	9
1179.00 Cairn Beck - Newbiggin	2 Sept 2003	13 Jul 2006	3
1176.00 Cairn Beck - Warwick Hatchery	2 Sept 2003	12 Jul 2006	3
1172.00 Cairn Beck - Carlattan Mill Farm	2 Sept 2003	12 Jul 2006	3

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

2003–2025

Survey records by year

Each bar shows how many survey visits recorded european eel that year.

503

204

405

506

007

008

009

110

111

212

013

014

115

016

017

118

219

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 110 measured fish were spread across different length ranges.

Smallest: 7.5 cm
Lower quarter: 15 cm
Median: 20.5 cm
Upper quarter: 27.5 cm
Largest: 50 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Cairn Beck

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

Brown / sea trout

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 →