Perch · Perca fluviatilis

Perch in the River Itchen

Largest measured perch: 28 cm

The largest perch measured in Environment Agency surveys of the River Itchen was 28 cm, recorded at Southam on 22 October 1997.

Across 20 measured perch, the median measured length was 20.5 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 Itchen.

See perch records across England →

Most recent observation17 May 2023Long Itchington · 5 fish

Largest measured perch: 28 cm
Median length: 20.5 cm
Fish measured: 20
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
28 cm	22 Oct 1997	Southam	80981
26.5 cm	22 Oct 1997	Southam	80981
26.2 cm	22 Oct 1997	Southam	80981
22.8 cm	17 May 2023	Long Itchington	162379
22.4 cm	24 Feb 1992	Southam	80995
22.2 cm	23 Aug 2016	Long Itchington	149395
22.2 cm	22 Oct 1997	Southam	80981
21.7 cm	17 May 2023	Long Itchington	162379
21.4 cm	17 May 2023	Long Itchington	162379
20.8 cm	17 May 2023	Long Itchington	162379

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
Long Itchington	6 Nov 1986	17 May 2023	4
Snowford Bridge	29 Jun 1993	23 Sept 2008	2
Southam	24 Feb 1992	22 Oct 1997	2

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

1986–2023

Survey records by year

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

186

087

088

089

090

091

292

193

094

095

096

197

098

099

000

001

002

003

004

005

006

007

108

009

010

011

012

013

014

015

116

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 20 measured fish were spread across different length ranges.

Smallest: 5.5 cm
Lower quarter: 12.4 cm
Median: 20.5 cm
Upper quarter: 22.3 cm
Largest: 28 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 Itchen

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

Pike Stone loach Bullhead Minnow Dace 3-spined stickleback

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 →