Perch · Perca fluviatilis

Perch in the River Itchen

Largest measured perch: 32.4 cm

The largest perch measured in Environment Agency surveys of the River Itchen was 32.4 cm, recorded at Lower Itchen Fishery - Allington Stream on 19 September 2002.

Across 10 measured perch, the median measured length was 23.4 cm.

Surveyors recorded weights for 3 perch. The median was 1 lb 6 oz (0.624 kg) and the largest recorded weight was 1 lb 7.4 oz (0.662 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 Itchen.

See perch records across England →

Most recent observation3 September 2019Bishopstoke Barge · 2 fish

Largest measured perch: 32.4 cm
Median length: 23.4 cm
Fish measured: 10
Survey locations: 5

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
32.4 cm	19 Sept 2002	Lower Itchen Fishery - Allington Stream	55079
32.3 cm	27 Oct 2003	Lower Itchen Fishery - Allington Stream	77999
26.5 cm	27 Oct 2003	Lower Itchen Fishery - Allington Stream	77999
23.8 cm	6 Oct 2008	Shawford Park	116170
23.7 cm	3 Sept 2015	Bishopstoke Barge	146249
23 cm	3 Sept 2019	Bishopstoke Barge	155312
19.7 cm	6 Oct 2008	Shawford Park	116170
17.5 cm	3 Sept 2019	Bishopstoke Barge	155312
16.5 cm	3 Sept 2015	Bishopstoke Barge	146249
10.5 cm	8 Sept 2011	Wolvesey Lodge	127790

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
Bishopstoke Barge	3 Sept 2015	3 Sept 2019	2
Wolvesey Lodge	8 Sept 2011	8 Sept 2011	1
Shawford Park	6 Oct 2008	6 Oct 2008	1
Abbots Barton Lower	10 Oct 2007	10 Oct 2007	1
Lower Itchen Fishery - Allington Stream	19 Sept 2002	27 Oct 2003	2

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

2002–2019

Survey records by year

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

102

103

004

005

006

107

108

009

010

111

012

013

014

115

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 10 measured fish were spread across different length ranges.

Smallest: 10.5 cm
Lower quarter: 18.1 cm
Median: 23.4 cm
Upper quarter: 25.8 cm
Largest: 32.4 cm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 14.4 oz (0.407 kg)
Lower quarter: 1 lb 2.2 oz (0.5155 kg)
Median: 1 lb 6 oz (0.624 kg)
Upper quarter: 1 lb 6.7 oz (0.643 kg)
Heaviest: 1 lb 7.4 oz (0.662 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 Itchen

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

Brown / sea trout Bullhead Minnow European eel Atlantic salmon Grayling

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 →