Perch · Perca fluviatilis

Perch in the Moretons Leam

Largest measured perch: 25.5 cm

The largest perch measured in Environment Agency surveys of the Moretons Leam was 25.5 cm, recorded at Little Bridge on 25 March 1999.

Across 1,003 measured perch, the median measured length was 7.5 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 perch records across England →

Most recent observation6 November 2025March Farmers · 87 fish

Largest measured perch: 25.5 cm
Median length: 7.5 cm
Fish measured: 1,003
Survey locations: 8

Individual EA measurements

Largest measured perch

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
25.5 cm	25 Mar 1999	Little Bridge	54172
20 cm	25 Mar 1999	Little Bridge	54172
20 cm	17 May 1995	Upstream Eldernell	54166
20 cm	17 May 1995	Upstream Eldernell	54166
20 cm	17 May 1995	Upstream Eldernell	54166
19.7 cm	4 Nov 2022	Stanground	161886
19.5 cm	28 Oct 2025	Stanground	179575
19.5 cm	14 Sept 1981	Stanground	109046
18.5 cm	7 Jun 2005	Little Bridge	86720
18.2 cm	6 Nov 2025	March Farmers	179997

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

Explore the river

Where perch were found

Each point marks a survey location with at least one perch 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 perch
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	3
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 perch that year.

181

082

083

184

085

186

087

088

889

090

091

892

093

094

695

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 1,003 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 7 cm
Median: 7.5 cm
Upper quarter: 8.8 cm
Largest: 25.5 cm

0–99 mm

832

100–199 mm

166

200–299 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 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 →