Roach · Rutilus rutilus

Roach in the Moretons Leam

Largest measured roach: 26.5 cm

The largest roach measured in Environment Agency surveys of the Moretons Leam was 26.5 cm, recorded at Upstream Eldernell on 6 June 1989.

Across 15,077 measured roach, the median measured length was 9 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 roach records across England →

Most recent observation6 November 2025March Farmers · 21 fish

Largest measured roach: 26.5 cm
Median length: 9 cm
Fish measured: 15,077
Survey locations: 8

Individual EA measurements

Largest measured roach

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
26.5 cm	6 Jun 1989	Upstream Eldernell	54150
25 cm	26 Mar 1999	McCains	54171
24.1 cm	14 Sept 1981	Stanground	109046
24 cm	18 May 1995	March Farmers	54168
24 cm	17 May 1995	Upstream Eldernell	54166
24 cm	12 May 1992	Little Bridge	54157
24 cm	15 Apr 1992	Stanground	54155
24 cm	5 Jun 1989	Little Bridge	54149
24 cm	13 Jun 1986	Stanground	109041
23.8 cm	14 Sept 1981	Stanground	109046

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
March Farmers	8 Jun 1989	6 Nov 2025	7
Stanground	14 Sept 1981	28 Oct 2025	12
Little Bridge	5 Jun 1989	28 May 2013	6
Downstream Eldernell	8 Jun 1989	14 Apr 1999	4
Upstream Eldernell	6 Jun 1989	12 Apr 1999	4
Rings End	9 Jun 1989	30 Mar 1999	4
McCains	13 Jun 1989	26 Mar 1999	4
Upstream Rings End	12 Jun 1989	14 Apr 1992	2

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 roach that year.

181

082

083

184

085

186

087

088

889

090

091

892

093

094

795

096

097

098

799

000

001

002

003

004

205

006

107

008

009

010

011

012

213

014

015

016

017

018

119

020

021

222

023

024

225

Fish measured by surveyors

Measured length distribution

See how the 15,077 measured fish were spread across different length ranges.

Smallest: 1.5 cm
Lower quarter: 7 cm
Median: 9 cm
Upper quarter: 12.5 cm
Largest: 26.5 cm

0–99 mm

8111

100–199 mm

6834

200–299 mm

132

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.

Perch Pike Common bream Ruffe European eel 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 →