Perch · Perca fluviatilis

Perch in the Gatwick Stream

Largest measured perch: 36.9 cm

The largest perch measured in Environment Agency surveys of the Gatwick Stream was 36.9 cm, recorded at Riverside Gardens on 30 September 2009.

Across 150 measured perch, the median measured length was 12.6 cm.

Surveyors recorded weights for 13 perch. The median was 2 oz (0.0567 kg) and the largest recorded weight was 7 oz (0.1984 kg).

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

See perch records across England →

Most recent observation8 August 2024Riverside Gardens · 46 fish

Largest measured perch: 36.9 cm
Median length: 12.6 cm
Fish measured: 150
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
36.9 cm	30 Sept 2009	Riverside Gardens	119182
34.5 cm	1 Oct 2012	Riverside Gardens	133933
33.3 cm	1 Oct 2012	Riverside Gardens	133933
32.8 cm	8 Aug 2024	Riverside Gardens	166584
32.6 cm	30 Sept 2009	Riverside Gardens	119182
31.7 cm	17 Oct 2006	Riverside Gardens	102634
28.6 cm	1 Oct 2012	Riverside Gardens	133933
28.3 cm	1 Oct 2012	Riverside Gardens	133933
24 cm	1 Oct 2012	Riverside Gardens	133933
24 cm	1 Oct 2012	Riverside Gardens	133933

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
Riverside Gardens	21 Aug 1986	8 Aug 2024	6
Grattons Park by St Marys Drive	4 May 2006	4 May 2023	4
Forge Farm, Tinsley Green	2 Oct 2019	2 Oct 2019	1
Grattons Park Downstream of weir	4 May 2006	4 May 2006	1

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

1986–2024

Survey records by year

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

186

087

088

089

090

091

092

093

094

095

096

097

098

099

000

001

002

003

004

005

306

007

008

109

010

011

112

113

014

015

016

117

018

219

020

021

022

123

124

Fish measured by surveyors

Measured length distribution

See how the 150 measured fish were spread across different length ranges.

Smallest: 5 cm
Lower quarter: 7.5 cm
Median: 12.6 cm
Upper quarter: 15.6 cm
Largest: 36.9 cm

0–99 mm

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 13 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 1 oz (0.0283 kg)
Lower quarter: 1 oz (0.0283 kg)
Median: 2 oz (0.0567 kg)
Upper quarter: 5 oz (0.1417 kg)
Heaviest: 7 oz (0.1984 kg)

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

More fish in this river

Explore the Gatwick Stream

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

Bullhead Brown / sea trout Chub Dace Gudgeon Roach

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 →