Perch · Perca fluviatilis

Perch in the Whittlesey Dyke

Largest measured perch: 32.3 cm

The largest perch measured in Environment Agency surveys of the Whittlesey Dyke was 32.3 cm, recorded at Burnthouse Bridge on 5 July 1994.

Across 799 measured perch, the median measured length was 7.8 cm.

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

See perch records across England →

Most recent observation12 July 2023Ashline Lock · 39 fish

Largest measured perch: 32.3 cm
Median length: 7.8 cm
Fish measured: 799
Survey locations: 4

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
32.3 cm	5 Jul 1994	Burnthouse Bridge	29764
32.3 cm	5 Jul 1994	Burnthouse Bridge	29764
32.3 cm	5 Jul 1994	Burnthouse Bridge	29764
32.3 cm	5 Jul 1994	Burnthouse Bridge	29764
22 cm	6 Jul 2023	Engine Farm	162499
21.3 cm	3 Jun 1999	Angle Corner Bridge	29766
17.8 cm	1 Jul 1991	Burnthouse Bridge	29760
16.8 cm	1 Jun 1999	Ashline Lock	29765
16.3 cm	27 Jun 1991	Angle Corner Bridge	29758
15.5 cm	26 Jul 2011	Ashline Lock	127125

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
Ashline Lock	15 May 1987	12 Jul 2023	8
Engine Farm	1 Jun 1987	6 Jul 2023	5
Burnthouse Bridge	5 Jun 1987	12 Jun 2006	5
Angle Corner Bridge	21 May 1987	3 Jun 1999	4

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

1987–2023

Survey records by year

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

487

088

089

090

491

092

093

494

095

096

097

098

399

000

001

002

003

004

005

206

007

008

009

010

111

012

013

014

015

016

217

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 799 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 7.3 cm
Median: 7.8 cm
Upper quarter: 8.8 cm
Largest: 32.3 cm

0–99 mm

697

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Whittlesey Dyke

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

Common bream Pike Roach Tench Silver bream 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 →