Gudgeon · Gobio gobio

Gudgeon in the River Duston Branch

Largest measured gudgeon: 17 cm

The largest gudgeon measured in Environment Agency surveys of the River Duston Branch was 17 cm, recorded at Kislingbury on 3 November 1995.

Across 245 measured gudgeon, the median measured length was 10.5 cm.

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

See gudgeon records across England →

Most recent observation8 June 2018Nether Heyford · 22 fish

Largest measured gudgeon: 17 cm
Median length: 10.5 cm
Fish measured: 245
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
17 cm	3 Nov 1995	Kislingbury	54128
17 cm	3 Nov 1995	Kislingbury	54128
14.2 cm	8 Jun 2018	Nether Heyford	153183
14 cm	7 Oct 1998	Kislingbury	54139
14 cm	3 Nov 1995	Kislingbury	54128
14 cm	10 Sept 1992	Kislingbury	54119
14 cm	10 Sept 1992	Kislingbury	54119
14 cm	10 Sept 1992	Kislingbury	54119
13.8 cm	10 Aug 2009	St James Mill Weir Downstream	118650
13.5 cm	14 Sept 2001	Kislingbury	73199

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
Nether Heyford	5 Sept 1989	8 Jun 2018	5
Kislingbury	10 Sept 1992	14 Oct 2009	5
St James Mill Weir Downstream	10 Aug 2009	10 Aug 2009	1
Duston Mill	22 Oct 1998	22 Oct 1998	1
Upton Mill	6 Sept 1989	18 Sept 1992	2

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

1989–2018

Survey records by year

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

289

090

091

392

093

094

295

096

097

398

099

000

101

002

003

004

005

006

007

008

209

010

011

012

013

014

015

016

017

118

Fish measured by surveyors

Measured length distribution

See how the 245 measured fish were spread across different length ranges.

Smallest: 5 cm
Lower quarter: 9.3 cm
Median: 10.5 cm
Upper quarter: 12 cm
Largest: 17 cm

0–99 mm

100–199 mm

151

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Duston Branch

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

Bullhead Brown / sea trout Pike Perch Roach Minnow

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 →