Perch · Perca fluviatilis

Perch in the River Mardyke

Largest measured perch: 47.9 cm

The largest perch measured in Environment Agency surveys of the River Mardyke was 47.9 cm, recorded at North Stifford on 14 May 2007.

Across 37 measured perch, the median measured length was 17.9 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 Mardyke.

See perch records across England →

Most recent observation30 May 201914 Arches Bridge · 2 fish

Largest measured perch: 47.9 cm
Median length: 17.9 cm
Fish measured: 37
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
47.9 cm	14 May 2007	North Stifford	105372
33.2 cm	30 May 2019	14 Arches Bridge	155998
31 cm	14 May 2007	North Stifford	105372
24.1 cm	30 May 2019	14 Arches Bridge	155998
22.1 cm	1 May 2013	14 Arches Bridge	137066
21.8 cm	1 May 2013	14 Arches Bridge	137066
21.1 cm	1 May 2013	14 Arches Bridge	137066
20 cm	1 May 2013	14 Arches Bridge	137066
19.7 cm	23 Apr 2013	Grangewater	135914
19.6 cm	1 May 2013	14 Arches Bridge	137066

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
14 Arches Bridge	26 Sept 2001	30 May 2019	4
North Stifford	14 May 2007	25 Apr 2013	2
Grangewater	23 Apr 2013	23 Apr 2013	1
Circus Tavern	18 May 2007	18 May 2007	1

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

2001–2019

Survey records by year

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

101

002

003

004

005

006

307

008

009

010

011

012

313

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 37 measured fish were spread across different length ranges.

Smallest: 10.2 cm
Lower quarter: 15.8 cm
Median: 17.9 cm
Upper quarter: 19.6 cm
Largest: 47.9 cm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Mardyke

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

European eel 3-spined stickleback Roach Rudd Tench Common carp

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 →