Gudgeon · Gobio gobio

Gudgeon in the River Maun

Largest measured gudgeon: 15 cm

The largest gudgeon measured in Environment Agency surveys of the River Maun was 15 cm, recorded at Houghton on 14 May 2002.

Across 568 measured gudgeon, the median measured length was 10 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 Maun.

See gudgeon records across England →

Most recent observation23 June 2023Whitewater Bridge · 3 fish

Largest measured gudgeon: 15 cm
Median length: 10 cm
Fish measured: 568
Survey locations: 4

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
15 cm	14 May 2002	Houghton	50100
15 cm	14 May 2002	Houghton	50100
14.7 cm	14 May 2002	Houghton	50100
14.6 cm	17 Jul 2003	Cavendish Bridge	76771
14.5 cm	19 May 2009	Lound	119489
14.4 cm	14 May 2002	Houghton	50100
14.2 cm	10 Sept 2001	Whitewater Bridge	23766
14 cm	19 May 2009	Lound	119489
14 cm	14 May 2002	Houghton	50100
14 cm	25 Sept 2001	Houghton	23823

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
Whitewater Bridge	7 Nov 1995	23 Jun 2023	11
Lound	14 Sept 1989	17 May 2019	6
Houghton	11 Jan 1996	22 Jun 2006	7
Cavendish Bridge	7 Dec 1989	17 Jul 2003	3

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

1989–2023

Survey records by year

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

289

090

191

092

093

094

195

196

097

098

099

000

201

202

303

204

205

206

107

008

109

010

111

012

213

014

015

116

117

018

119

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 568 measured fish were spread across different length ranges.

Smallest: 2.9 cm
Lower quarter: 8.3 cm
Median: 10 cm
Upper quarter: 11.5 cm
Largest: 15 cm

0–99 mm

283

100–199 mm

285

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Maun

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

Chub 3-spined stickleback Roach Dace Bullhead 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 →