European eel · Anguilla anguilla

European eel in the St Johns Beck

Largest measured european eel: 58 cm

The largest european eel measured in Environment Agency surveys of the St Johns Beck was 58 cm, recorded at 1555.20 Low Bridge End, St. John's Beck on 16 August 2010.

Across 120 measured european eel, the median measured length was 26 cm.

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

See european eel records across England →

Most recent observation14 July 20251555.20 Low Bridge End, St. John's Beck · 1 fish

Largest measured european eel: 58 cm
Median length: 26 cm
Fish measured: 120
Survey locations: 7

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
58 cm	16 Aug 2010	1555.20 Low Bridge End, St. John's Beck	123610
52 cm	16 Aug 2010	1555.20 Low Bridge End, St. John's Beck	123610
51 cm	8 Sept 2010	1555.30 Sosgill Bridge, St John's Beck	124693
50 cm	20 Jul 2006	1555.20 Low Bridge End, St. John's Beck	102886
48 cm	8 Sept 2010	1555.50 Wanthwaite Bridge, St John's Beck	124701
45.5 cm	1 Aug 2013	1555.20 Low Bridge End, St. John's Beck	137691
45 cm	21 Jul 2017	1555.20 Low Bridge End, St. John's Beck	151052
42.5 cm	20 Jul 2006	1555.20 Low Bridge End, St. John's Beck	102886
42.5 cm	21 Jul 2005	1555.20 Low Bridge End, St. John's Beck	87708
42.5 cm	19 Jul 2004	1555.20 Low Bridge End, St. John's Beck	81548

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
1555.20 Low Bridge End, St. John's Beck	13 Sept 1995	14 Jul 2025	19
1555.05 Bridge End Farm	1 Aug 2013	1 Aug 2013	1
1555.10 Legburthwaite, St John's Beck	7 Sept 1999	9 Sept 2010	3
1555.50 Wanthwaite Bridge, St John's Beck	13 Sept 1999	8 Sept 2010	2
1555.40 Bridge House, St John's Beck	14 Sept 1999	8 Sept 2010	2
1555.30 Sosgill Bridge, St John's Beck	13 Sept 1999	8 Sept 2010	2
1555.60 Mirehouse, St John's Beck	14 Sept 1999	25 Aug 2010	2

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.

195

096

097

098

699

100

001

102

103

104

105

106

107

108

109

610

111

012

213

014

115

016

117

018

019

020

121

022

123

124

125

Fish measured by surveyors

Measured length distribution

See how the 120 measured fish were spread across different length ranges.

Smallest: 10 cm
Lower quarter: 19.1 cm
Median: 26 cm
Upper quarter: 32.5 cm
Largest: 58 cm

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 St Johns Beck

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

Atlantic salmon 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 →