European eel · Anguilla anguilla

European eel in the Moretons Leam

Largest measured european eel: 63 cm

The largest european eel measured in Environment Agency surveys of the Moretons Leam was 63 cm, recorded at Stanground on 30 May 2013.

Across 21 measured european eel, the median measured length was 50 cm.

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

See european eel records across England →

Most recent observation6 November 2025March Farmers · 4 fish

Largest measured european eel: 63 cm
Median length: 50 cm
Fish measured: 21
Survey locations: 8

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
63 cm	30 May 2013	Stanground	138953
62 cm	30 May 2013	Stanground	138953
60.1 cm	30 May 2013	Stanground	138953
60 cm	30 May 2013	Stanground	138953
58 cm	30 May 2013	Stanground	138953
56.5 cm	6 Nov 2025	March Farmers	179997
53 cm	30 May 2013	Stanground	138953
52 cm	30 May 2013	Stanground	138953
51 cm	30 May 2013	Stanground	138953
50.1 cm	30 May 2013	Stanground	138953

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
March Farmers	8 Jun 1989	6 Nov 2025	3
Stanground	14 Sept 1981	30 May 2013	7
Downstream Eldernell	8 Jun 1989	14 Apr 1999	3
McCains	13 Jun 1989	21 May 1992	2
Upstream Eldernell	6 Jun 1989	13 May 1992	2
Little Bridge	5 Jun 1989	12 May 1992	2
Upstream Rings End	12 Jun 1989	12 Jun 1989	1
Rings End	9 Jun 1989	9 Jun 1989	1

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

1981–2025

Survey records by year

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

181

082

083

184

085

186

087

088

889

090

091

692

093

094

095

096

097

098

299

000

001

002

003

004

005

006

007

008

009

010

011

012

113

014

015

016

017

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 21 measured fish were spread across different length ranges.

Smallest: 25 cm
Lower quarter: 35 cm
Median: 50 cm
Upper quarter: 56.5 cm
Largest: 63 cm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

600–699 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Moretons Leam

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

Roach Perch Pike Common bream Ruffe Rudd

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 →