European eel · Anguilla anguilla

European eel in the Clapham Beck

Largest measured european eel: 50 cm

The largest european eel measured in Environment Agency surveys of the Clapham Beck was 50 cm, recorded at Crina Farm on 21 August 2025.

Across 77 measured european eel, the median measured length was 30 cm.

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

See european eel records across England →

Most recent observation21 August 2025Crina Farm · 4 fish

Largest measured european eel: 50 cm
Median length: 30 cm
Fish measured: 77
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
50 cm	21 Aug 2025	Crina Farm	178095
50 cm	25 Jul 2013	Crina Farm	137609
47.5 cm	1 Aug 2007	Crina Farm	106654
47 cm	16 Jul 1991	Clapham Village	115179
46 cm	3 Oct 1997	Crina Farm	112508
45.8 cm	26 Jul 2019	Crina Farm	154955
45 cm	21 Aug 2025	Crina Farm	178095
45 cm	10 Jul 2002	Crina Farm	72487
45 cm	10 Jul 2002	Crina Farm	72487
45 cm	2 Oct 1997	Crina Farm	112510

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
Crina Farm	16 Jul 1991	21 Aug 2025	8
Upstream A65 Bridge	15 Jul 1988	10 Jul 2002	4
Clapham Village	16 Jul 1991	16 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.

1988–2025

Survey records by year

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

188

189

190

291

092

093

094

095

096

297

098

099

000

001

202

003

004

005

006

107

008

009

010

011

012

113

014

015

016

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 77 measured fish were spread across different length ranges.

Smallest: 10 cm
Lower quarter: 22 cm
Median: 30 cm
Upper quarter: 37.5 cm
Largest: 50 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 Clapham 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 →