Perch · Perca fluviatilis

Perch in the River Wey South

Largest measured perch: 33.4 cm

The largest perch measured in Environment Agency surveys of the River Wey South was 33.4 cm, recorded at Lower Headley Wood Farm on 6 April 2004.

Across 224 measured perch, the median measured length was 5.6 cm.

Surveyors recorded weights for 3 perch. The median was 5.9 oz (0.167 kg) and the largest recorded weight was 1 lb 0.3 oz (0.463 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 Wey South.

See perch records across England →

Most recent observation28 June 2023Dockenfield · 91 fish

Largest measured perch: 33.4 cm
Median length: 5.6 cm
Fish measured: 224
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
33.4 cm	6 Apr 2004	Lower Headley Wood Farm	79968
33.4 cm	6 Apr 2004	Lower Headley Wood Farm	79968
31.5 cm	17 Jun 2014	Dockenfield	141164
31.4 cm	18 Nov 2003	Headley Wood Farm	78554
31.2 cm	28 Jun 2011	Dockenfield	127146
31 cm	29 Jun 2010	Dockenfield	122668
30.8 cm	18 May 2007	Dockenfield	105351
30.6 cm	30 Jun 2009	Dockenfield	117649
30.4 cm	2 Jul 2008	Dockenfield	111983
30 cm	13 Jun 2002	Headley Wood Farm	51860

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
Dockenfield	22 May 2003	28 Jun 2023	10
Mellow Farm	17 Jun 2014	17 Jun 2014	1
Lower Headley Wood Farm	6 Apr 2004	6 Apr 2004	1
Headley Wood Farm	13 Jun 2002	18 Nov 2003	2

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

2002–2023

Survey records by year

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

102

203

204

005

006

107

108

109

110

111

012

013

214

015

016

117

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 224 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 4.8 cm
Median: 5.6 cm
Upper quarter: 16.2 cm
Largest: 33.4 cm

0–99 mm

128

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: 4.6 oz (0.129 kg)
Lower quarter: 5.2 oz (0.148 kg)
Median: 5.9 oz (0.167 kg)
Upper quarter: 11.1 oz (0.315 kg)
Heaviest: 1 lb 0.3 oz (0.463 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 Wey South

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

Brown / sea trout Bullhead Stone loach European eel Rainbow trout 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 →