Roach · Rutilus rutilus

Roach in the River Wallington

Largest measured roach: 22 cm

The largest roach measured in Environment Agency surveys of the River Wallington was 22 cm, recorded at Whitedell Farm on 26 August 2021.

Across 1,295 measured roach, the median measured length was 10.4 cm.

Surveyors recorded weights for 644 roach. The median was 0.7 oz (0.021 kg) and the largest recorded weight was 5.5 oz (0.157 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 Wallington.

See roach records across England →

Most recent observation13 August 2024Upstream of Boarhunt Bridge · 9 fish

Largest measured roach: 22 cm
Median length: 10.4 cm
Fish measured: 1,295
Survey locations: 11

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
22 cm	26 Aug 2021	Whitedell Farm	160162
20.5 cm	13 Aug 2024	Upstream of Boarhunt Bridge	166259
20.5 cm	15 Aug 2001	Rooks Bridge	51944
20.1 cm	21 Aug 2018	Whitedell Farm	153337
20 cm	25 Jun 2008	Upstream of Boarhunt Bridge	113717
20 cm	7 Jun 2007	Upstream of Boarhunt Bridge	105544
19.8 cm	26 Aug 2021	Whitedell Farm	160162
19.6 cm	26 Aug 2021	Whitedell Farm	160162
19.4 cm	21 Aug 2018	Upstream of Boarhunt Bridge	153336
19.4 cm	15 Aug 2001	Rooks Bridge	51944

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
Upstream of Boarhunt Bridge	7 Jun 2007	13 Aug 2024	9
Whitedell Farm	25 Jun 2001	26 Aug 2021	7
Potwell Ford	15 Aug 2001	12 Aug 2016	4
Newlands Farm	21 Sept 2005	12 Aug 2016	2
Hipley Copse	1 Jul 2008	1 Jul 2008	1
Southwick bypass	11 Jun 2007	11 Jun 2007	1
Cheeseman's Bridge	8 Jun 2007	8 Jun 2007	1
Spurling's Farm	7 May 2007	7 May 2007	1
Rooks Bridge	15 Aug 2001	23 Sept 2002	2
Wallington Village	16 Aug 2001	16 Aug 2001	1
Comphouse Ford	15 Aug 2001	15 Aug 2001	1

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

2001–2024

Survey records by year

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

501

102

103

104

105

006

407

308

209

210

011

112

013

014

215

216

017

218

019

020

221

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 1,295 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 8.4 cm
Median: 10.4 cm
Upper quarter: 12.8 cm
Largest: 22 cm

0–99 mm

574

100–199 mm

715

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 644 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.4 oz (0.01 kg)
Median: 0.7 oz (0.021 kg)
Upper quarter: 1.3 oz (0.037 kg)
Heaviest: 5.5 oz (0.157 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 Wallington

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

European eel Brown / sea trout Minnow Stone loach Bullhead Chub

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 →