European eel · Anguilla anguilla

European eel in the Cound Brook

Largest measured european eel: 51 cm

The largest european eel measured in Environment Agency surveys of the Cound Brook was 51 cm, recorded at Upper Cound on 18 June 2002.

Across 7 measured european eel, the median measured length was 44 cm.

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

See european eel records across England →

Most recent observation6 September 2024Boreton Bridge · 1 fish

Largest measured european eel: 51 cm
Median length: 44 cm
Fish measured: 7
Survey locations: 4

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
51 cm	18 Jun 2002	Upper Cound	52058
50 cm	9 Aug 2022	Little Ryton	161268
45 cm	6 Sept 2024	Boreton Bridge	168312
44 cm	2 Aug 2022	Venus Bank	161228
30.5 cm	18 Jun 2002	Upper Cound	52058
27.5 cm	18 Jun 2002	Upper Cound	52058
19 cm	2 Aug 2022	Venus Bank	161228

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
Boreton Bridge	6 Sept 2024	6 Sept 2024	1
Little Ryton	9 Aug 2022	9 Aug 2022	1
Venus Bank	13 May 1991	2 Aug 2022	2
Upper Cound	23 Jul 1997	18 Jun 2002	2

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

1991–2024

Survey records by year

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

191

092

093

094

095

096

197

098

099

000

001

102

003

004

005

006

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

222

023

124

Fish measured by surveyors

Measured length distribution

See how the 7 measured fish were spread across different length ranges.

Smallest: 19 cm
Lower quarter: 29 cm
Median: 44 cm
Upper quarter: 47.5 cm
Largest: 51 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 Cound Brook

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

Brown / sea trout Atlantic salmon Chub 3-spined stickleback

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 →