Perch · Perca fluviatilis

Perch in the River Weaver

Largest measured perch: 24.8 cm

The largest perch measured in Environment Agency surveys of the River Weaver was 24.8 cm, recorded at Wewe25 on 25 June 1999.

Across 68 measured perch, the median measured length was 10.3 cm.

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

See perch records across England →

Most recent observation23 July 2026Wewe25 · 8 fish

Largest measured perch: 24.8 cm
Median length: 10.3 cm
Fish measured: 68
Survey locations: 12

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
24.8 cm	25 Jun 1999	Wewe25	60480
22 cm	6 Jul 1999	We38	60440
20.8 cm	23 Jul 2026	Wewe25	182259
20.6 cm	13 Sept 2002	Wewe05	64240
20.3 cm	25 Jun 1999	Wewe25	60480
20 cm	8 Jun 2004	Wewe20	80422
17.8 cm	13 Sept 2002	Wewe05	64240
16.5 cm	30 Jun 1999	We26	60369
16 cm	30 Jun 1999	We26	60369
14.9 cm	19 Aug 2024	Wewe24	168231

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
Wewe25	25 Jun 1999	23 Jul 2026	6
Wewe24	13 Jul 2006	19 Aug 2024	2
Wewe20	6 Sept 1999	23 Jul 2008	3
Wewe10	21 Jul 2008	21 Jul 2008	1
Wewe05	13 Sept 2002	13 Sept 2002	1
We41	6 Sept 1999	6 Sept 1999	1
We45	20 Jul 1999	20 Jul 1999	1
We44A	20 Jul 1999	20 Jul 1999	1
We38	6 Jul 1999	6 Jul 1999	1
We37	6 Jul 1999	6 Jul 1999	1
We26	30 Jun 1999	30 Jun 1999	1
We23	29 Jun 1999	29 Jun 1999	1

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

1999–2026

Survey records by year

Each bar shows how many survey visits recorded perch that year.

999

000

101

102

003

204

005

106

007

308

009

110

011

012

013

014

015

016

017

018

019

020

021

022

023

124

025

126

Fish measured by surveyors

Measured length distribution

See how the 68 measured fish were spread across different length ranges.

Smallest: 4.2 cm
Lower quarter: 5.6 cm
Median: 10.4 cm
Upper quarter: 14 cm
Largest: 24.8 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Weaver

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

Gudgeon Stone loach Roach Chub 3-spined stickleback Dace

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 →