Perch · Perca fluviatilis

Perch in the River Wandle

Largest measured perch: 28.2 cm

The largest perch measured in Environment Agency surveys of the River Wandle was 28.2 cm, recorded at Hackbridge Weir Pool on 22 April 2002.

Across 138 measured perch, the median measured length was 12.9 cm.

Surveyors recorded weights for 8 perch. The median was 3.9 oz (0.1115 kg) and the largest recorded weight was 4.7 oz (0.133 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 Wandle.

See perch records across England →

Most recent observation13 July 2017Mapleton Road · 6 fish

Largest measured perch: 28.2 cm
Median length: 12.9 cm
Fish measured: 138
Survey locations: 7

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
28.2 cm	22 Apr 2002	Hackbridge Weir Pool	73761
26.7 cm	22 Apr 2002	Hackbridge Weir Pool	73761
25.7 cm	11 Jun 2013	Trewint Street - Weir Road	136475
24.1 cm	4 May 2006	King George Park	103373
21.9 cm	15 Jun 2009	Trewint Street - Weir Road	117482
21.8 cm	4 May 2006	King George Park	103373
21.7 cm	7 Jun 2005	King George Park	103372
21.3 cm	4 May 2006	King George Park	103373
21.3 cm	4 May 2006	King George Park	103373
21.2 cm	29 Jun 1994	The Causeway, Wandsworth	116857

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
Mapleton Road	14 Jun 2011	13 Jul 2017	3
Trewint Street - Weir Road	15 Jun 2009	11 Jun 2013	3
King George Park	17 Jul 1997	11 Jun 2013	8
Waterside Way	8 Jun 2011	8 Jun 2011	1
Hackbridge Weir Pool	22 Apr 2002	22 Apr 2002	1
The Causeway, Wandsworth	29 Jun 1994	29 Jun 1994	1
Hackbridge	21 Jul 1988	21 Jul 1988	1

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

1988–2017

Survey records by year

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

188

089

090

091

092

093

194

095

096

197

098

099

000

001

102

003

004

105

106

107

108

209

010

411

012

313

014

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 138 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 10.7 cm
Median: 12.9 cm
Upper quarter: 17.5 cm
Largest: 28.2 cm

0–99 mm

100–199 mm

100

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 8 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 2.2 oz (0.063 kg)
Lower quarter: 2.7 oz (0.0775 kg)
Median: 3.9 oz (0.1115 kg)
Upper quarter: 4.2 oz (0.1195 kg)
Heaviest: 4.7 oz (0.133 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 Wandle

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

3-spined stickleback Stone loach European eel Chub Roach 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 →