Gudgeon · Gobio gobio

Gudgeon in the Lower Glen

Largest measured gudgeon: 12 cm

The largest gudgeon measured in Environment Agency surveys of the Lower Glen was 12 cm, recorded at Surfleet Road Bridge on 26 August 1986.

Across 68 measured gudgeon, the median measured length was 8.5 cm.

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

See gudgeon records across England →

Most recent observation17 April 2007West Pinchbeck Road Bridge · 1 fish

Largest measured gudgeon: 12 cm
Median length: 8.5 cm
Fish measured: 68
Survey locations: 7

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
12 cm	26 Aug 1986	Surfleet Road Bridge	109295
11.5 cm	5 Sept 1986	Tongue End	109297
11 cm	20 May 1991	Tongue End	54305
10.6 cm	17 Apr 2007	West Pinchbeck Road Bridge	109125
10.5 cm	13 Jun 1994	Thurlby Fen	54319
10.5 cm	5 Sept 1986	Tongue End	109297
10 cm	5 May 2005	Guthram Gowt	86298
10 cm	13 Jun 1994	Thurlby Fen	54319
10 cm	12 Oct 1988	Tongue End	109309
10 cm	5 Sept 1986	Tongue End	109297

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
West Pinchbeck Road Bridge	2 Sept 1986	17 Apr 2007	5
Guthram Gowt	21 May 1991	5 May 2005	5
Tongue End	5 Sept 1986	5 Apr 2004	4
Old Railway Bridge	23 May 1991	26 Sept 1994	2
Thurlby Fen	8 May 1991	13 Jun 1994	2
Baston	17 May 1991	17 May 1991	1
Surfleet Road Bridge	26 Aug 1986	26 Aug 1986	1

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

1986–2007

Survey records by year

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

386

087

288

089

090

691

092

093

294

095

096

097

098

099

000

001

102

103

304

105

006

107

Fish measured by surveyors

Measured length distribution

See how the 68 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 6.4 cm
Median: 8.5 cm
Upper quarter: 9 cm
Largest: 12 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Lower Glen

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

Pike Perch Roach Ruffe Dace Bleak

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 →