Roach · Rutilus rutilus

Roach in the Gatwick Stream

Largest measured roach: 25.6 cm

The largest roach measured in Environment Agency surveys of the Gatwick Stream was 25.6 cm, recorded at Riverside Gardens on 30 September 2009.

Across 398 measured roach, the median measured length was 13.7 cm.

Surveyors recorded weights for 7 roach. The median was 2 oz (0.0567 kg) and the largest recorded weight was 3 oz (0.085 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 roach records across England →

Most recent observation8 August 2024Riverside Gardens · 142 fish

Largest measured roach: 25.6 cm
Median length: 13.7 cm
Fish measured: 398
Survey locations: 4

Individual EA measurements

Largest measured roach

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
25.6 cm	30 Sept 2009	Riverside Gardens	119182
22 cm	30 Sept 2009	Riverside Gardens	119182
22 cm	17 Oct 2006	Riverside Gardens	102634
21.5 cm	8 Aug 2024	Riverside Gardens	166584
21.5 cm	14 Nov 2017	Riverside Gardens	156429
21.5 cm	30 Sept 2009	Riverside Gardens	119182
21.2 cm	17 Jul 1986	Forge Farm, Tinsley Green	103430
21.1 cm	8 Aug 2024	Riverside Gardens	166584
21 cm	30 Sept 2009	Riverside Gardens	119182
20.7 cm	8 Aug 2024	Riverside Gardens	166584

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Riverside Gardens	17 Oct 2006	8 Aug 2024	5
Grattons Park by St Marys Drive	4 May 2006	4 May 2006	1
Grattons Park Downstream of weir	4 May 2006	4 May 2006	1
Forge Farm, Tinsley Green	17 Jul 1986	17 Jul 1986	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 roach 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

013

014

015

016

117

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 398 measured fish were spread across different length ranges.

Smallest: 6.2 cm
Lower quarter: 10.8 cm
Median: 13.7 cm
Upper quarter: 15.9 cm
Largest: 25.6 cm

0–99 mm

100–199 mm

312

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 7 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 1 oz (0.0283 kg)
Lower quarter: 2 oz (0.0567 kg)
Median: 2 oz (0.0567 kg)
Upper quarter: 3 oz (0.085 kg)
Heaviest: 3 oz (0.085 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 Perch Chub Dace Gudgeon

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 →