Perch · Perca fluviatilis

Perch in the River East Stour

Largest measured perch: 27.5 cm

The largest perch measured in Environment Agency surveys of the River East Stour was 27.5 cm, recorded at Mersham on 20 June 2024.

Across 64 measured perch, the median measured length was 14.5 cm.

Surveyors recorded weights for 24 perch. The median was 1.2 oz (0.035 kg) and the largest recorded weight was 6.6 oz (0.187 kg).

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

See perch records across England →

Most recent observation20 June 2024Mersham · 11 fish

Largest measured perch: 27.5 cm
Median length: 14.5 cm
Fish measured: 64
Survey locations: 3

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
27.5 cm	20 Jun 2024	Mersham	165239
25.7 cm	18 Jul 2012	Stour Centre	132454
23.2 cm	6 Jun 2018	Mersham	152604
23 cm	9 Oct 2002	Mersham	72598
22.7 cm	9 Oct 2002	Mersham	72598
22.5 cm	9 Oct 2002	Mersham	72598
20.2 cm	8 Aug 2006	Stour Centre	103345
20.2 cm	9 Oct 2002	Mersham	72598
19.6 cm	19 Jun 2012	Mersham	132452
19.4 cm	8 Jul 2003	Sellindge	76793

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
Mersham	9 Oct 2002	20 Jun 2024	5
Stour Centre	8 Aug 2006	18 Jul 2012	2
Sellindge	10 Sept 2002	8 Jul 2003	2

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

2002–2024

Survey records by year

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

202

103

004

005

206

007

008

009

010

011

212

013

014

015

016

017

118

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 64 measured fish were spread across different length ranges.

Smallest: 8 cm
Lower quarter: 13.4 cm
Median: 14.5 cm
Upper quarter: 17.1 cm
Largest: 27.5 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 24 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.6 oz (0.017 kg)
Lower quarter: 1.2 oz (0.033 kg)
Median: 1.2 oz (0.035 kg)
Upper quarter: 3 oz (0.0855 kg)
Heaviest: 6.6 oz (0.187 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River East Stour

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

European eel Stone loach Bullhead Gudgeon Minnow 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 →