Gudgeon · Gobio gobio

Gudgeon in the River Shepperton - Sunbury

Largest measured gudgeon: 14.4 cm

The largest gudgeon measured in Environment Agency surveys of the River Shepperton - Sunbury was 14.4 cm, recorded at Desborough Cut on 13 September 2011.

Across 628 measured gudgeon, the median measured length was 10.8 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 gudgeon records across England →

Most recent observation22 July 2024Shepperton Weirs 1 and 2 · 1 fish

Largest measured gudgeon: 14.4 cm
Median length: 10.8 cm
Fish measured: 628
Survey locations: 5

Individual EA measurements

Largest measured gudgeon

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
14.4 cm	13 Sept 2011	Desborough Cut	128068
14.3 cm	13 Sept 2011	Desborough Cut	128068
14.3 cm	13 Sept 2011	Desborough Cut	128068
14.2 cm	13 Sept 2011	Desborough Cut	128068
14.2 cm	13 Sept 2011	Desborough Cut	128068
14.2 cm	9 Sept 2003	Desborough Cut	77723
14.1 cm	13 Sept 2011	Desborough Cut	128068
14 cm	13 Sept 2011	Desborough Cut	128068
14 cm	15 Sept 2009	Desborough Cut	119029
13.9 cm	13 Sept 2011	Desborough Cut	128068

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

Explore the river

Where gudgeon were found

Each point marks a survey location with at least one gudgeon 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 gudgeon
Shepperton Weirs 1 and 2	1 Sept 2000	22 Jul 2024	12
Desborough Cut	1 Sept 1995	5 Sept 2014	15
Desborough Loop	12 Sept 2005	9 Sept 2013	6
Shepperton Weir stream	12 Sept 2007	13 Sept 2011	2
Shepperton main Channel	1 Sept 1995	1 Sept 2000	2

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 gudgeon that year.

295

096

097

098

099

300

101

202

203

204

205

106

207

208

309

310

311

112

313

214

115

116

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 628 measured fish were spread across different length ranges.

Smallest: 4.4 cm
Lower quarter: 9.5 cm
Median: 10.8 cm
Upper quarter: 12.1 cm
Largest: 14.4 cm

0–99 mm

205

100–199 mm

423

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.

Roach Dace Perch Bleak Pike 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 →