European eel · Anguilla anguilla

European eel in the Leck Beck

Largest measured european eel: 48 cm

The largest european eel measured in Environment Agency surveys of the Leck Beck was 48 cm, recorded at Nether Burrow on 11 August 2005.

Across 81 measured european eel, the median measured length was 21 cm.

Surveyors recorded weights for 2 european eel. The median was 5.1 oz (0.145 kg) and the largest recorded weight was 8.8 oz (0.25 kg).

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

See european eel records across England →

Most recent observation20 October 2025Cowan Bridge, Leck Beck · 2 fish

Largest measured european eel: 48 cm
Median length: 21 cm
Fish measured: 81
Survey locations: 3

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
48 cm	11 Aug 2005	Nether Burrow	87399
44 cm	21 Aug 2013	Cowan Bridge, Leck Beck	138527
44 cm	24 Sept 1997	Cowan Bridge, Leck Beck	112497
40 cm	30 Jul 2007	Cowan Bridge, Leck Beck	106397
40 cm	21 Sept 2006	Nether Burrow	101704
40 cm	10 Jul 1991	Cowan Bridge, Leck Beck	115130
39 cm	10 Jul 1991	Cowan Bridge, Leck Beck	115130
38 cm	10 Jul 1991	Cowan Bridge, Leck Beck	115130
37 cm	10 Jul 1991	Cowan Bridge, Leck Beck	115130
37 cm	10 Jul 1991	Cowan Bridge, Leck Beck	115130

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
Cowan Bridge, Leck Beck	10 Jul 1991	20 Oct 2025	7
Nether Burrow	10 Jul 1991	17 Aug 2022	18
Spring Bank Wood	18 Jul 1991	18 Jul 1991	1

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

1991–2025

Survey records by year

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

391

092

093

094

095

096

297

098

099

000

001

102

103

104

105

106

207

108

109

110

111

112

213

014

015

216

117

118

119

020

021

122

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 81 measured fish were spread across different length ranges.

Smallest: 7 cm
Lower quarter: 16 cm
Median: 21 cm
Upper quarter: 31 cm
Largest: 48 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 2 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 1.4 oz (0.04 kg)
Lower quarter: 3.3 oz (0.0925 kg)
Median: 5.1 oz (0.145 kg)
Upper quarter: 7 oz (0.1975 kg)
Heaviest: 8.8 oz (0.25 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Leck Beck

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 →