Roach · Rutilus rutilus

Roach in the River Shepperton - Sunbury

Largest measured roach: 34.5 cm

The largest roach measured in Environment Agency surveys of the River Shepperton - Sunbury was 34.5 cm, recorded at Desborough Cut on 14 September 2004.

Across 3,985 measured roach, the median measured length was 10.4 cm.

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

See roach records across England →

Most recent observation22 July 2024Desborough Cut · 126 fish

Largest measured roach: 34.5 cm
Median length: 10.4 cm
Fish measured: 3,985
Survey locations: 5

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
34.5 cm	14 Sept 2004	Desborough Cut	82463
28.6 cm	5 Sept 2014	Desborough Cut	142620
27.3 cm	13 Sept 2006	Desborough Cut	101415
24.9 cm	14 Sept 2004	Desborough Cut	82463
24.6 cm	12 Sept 2005	Shepperton Weirs 1 and 2	86329
24.5 cm	12 Sept 2005	Desborough Loop	86311
24.4 cm	9 Sept 2013	Desborough Loop	138606
24.4 cm	10 Sept 2012	Desborough Cut	133459
24.2 cm	12 Sept 2007	Desborough Cut	106752
23.8 cm	14 Sept 2004	Desborough Cut	82463

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
Shepperton Weirs 1 and 2	1 Sept 1995	22 Jul 2024	20
Desborough Cut	1 Sept 1995	22 Jul 2024	23
Desborough Loop	12 Sept 2005	9 Sept 2013	6
Shepperton Weir stream	1 Sept 1995	13 Sept 2011	3
Shepperton main Channel	1 Sept 1995	12 Sept 2005	3

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

1995–2024

Survey records by year

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

495

096

097

098

099

300

101

202

203

204

405

206

307

208

309

310

311

312

313

214

215

216

017

218

219

020

021

122

223

224

Fish measured by surveyors

Measured length distribution

See how the 3,985 measured fish were spread across different length ranges.

Smallest: 2.8 cm
Lower quarter: 8.5 cm
Median: 10.4 cm
Upper quarter: 12.7 cm
Largest: 34.5 cm

0–99 mm

1819

100–199 mm

2098

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Shepperton - Sunbury

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

Dace Perch Bleak Pike Chub European eel

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 →