Perch · Perca fluviatilis

Perch in the River Wheelock

Largest measured perch: 21 cm

The largest perch measured in Environment Agency surveys of the River Wheelock was 21 cm, recorded at Dawh06 on 5 July 2006.

Across 18 measured perch, the median measured length was 11.9 cm.

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

See perch records across England →

Most recent observation20 August 2024Dawh06 · 4 fish

Largest measured perch: 21 cm
Median length: 11.9 cm
Fish measured: 18
Survey locations: 6

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
21 cm	5 Jul 2006	Dawh06	100158
17.5 cm	14 Jun 2004	Dawh25	80206
17 cm	5 Jul 2006	Dawh06	100158
14.9 cm	20 Aug 2024	Dawh06	168218
14.3 cm	14 Jul 2005	Dawh06	85195
13.6 cm	14 Jul 2005	Dawh06	85195
13 cm	14 Jul 2005	Dawh06	85195
12.7 cm	21 Jul 2005	Dawh20	85197
12.5 cm	1 Apr 2011	Dawh06	126040
11.3 cm	20 Aug 2024	Dawh06	168218

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
Dawh06	14 Jul 2005	20 Aug 2024	4
Dawh20	21 Jul 2005	23 May 2014	2
Dawh25	14 Jun 2004	28 Jun 2006	2
Dawh10	28 Jun 2006	28 Jun 2006	1
Dawh15	16 Jul 2001	16 Jul 2001	1
Wh02	21 Jul 1997	21 Jul 1997	1

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

1997–2024

Survey records by year

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

197

098

099

000

101

002

003

104

205

306

007

008

009

010

111

012

013

114

015

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 10.4 cm
Median: 11.9 cm
Upper quarter: 14.1 cm
Largest: 21 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 Wheelock

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

Gudgeon Roach 3-spined stickleback Chub Bullhead European eel

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 →