Gudgeon · Gobio gobio

Gudgeon in the Willow Brook

Largest measured gudgeon: 18 cm

The largest gudgeon measured in Environment Agency surveys of the Willow Brook was 18 cm, recorded at Woodnewton on 8 September 1998.

Across 1,782 measured gudgeon, the median measured length was 12 cm.

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

See gudgeon records across England →

Most recent observation25 October 2018Walcot Lodge DS Site · 1 fish

Largest measured gudgeon: 18 cm
Median length: 12 cm
Fish measured: 1,782
Survey locations: 10

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
18 cm	8 Sept 1998	Woodnewton	54471
17.5 cm	12 May 1995	Downstream Deene Lake	54459
17.5 cm	4 May 1995	King's Cliffe	54462
17 cm	27 Feb 1992	Bulwick	54451
17 cm	27 Feb 1992	Bulwick	54451
17 cm	25 Feb 1992	Downstream Deene Lake	54450
17 cm	22 Feb 1989	Downstream Deene Lake	54442
16.5 cm	10 Aug 1998	King's Cliffe	54469
16.5 cm	27 Feb 1992	Bulwick	54451
16.5 cm	22 Feb 1989	Downstream Deene Lake	54442

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
Walcot Lodge DS Site	25 Oct 2018	25 Oct 2018	1
Fotheringhay	23 Oct 2018	23 Oct 2018	1
Bulwick	21 Feb 1989	23 Oct 2018	11
Alder Farm	26 Feb 1992	15 Jun 2015	4
Woodnewton	15 Feb 1989	29 May 2015	8
Downstream Deene Lake	22 Feb 1989	1 May 2015	5
Lodge Farm	10 Feb 1989	28 Apr 2015	4
Weldon	6 Mar 1992	30 Mar 2015	4
Apethorpe	11 Aug 1998	11 Aug 1998	1
King's Cliffe	21 Feb 1989	10 Aug 1998	4

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.

589

090

091

692

093

094

695

096

097

898

099

000

201

002

003

004

005

106

007

008

109

010

211

112

213

014

615

016

017

318

Fish measured by surveyors

Measured length distribution

See how the 1,782 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 10 cm
Median: 12 cm
Upper quarter: 13.5 cm
Largest: 18 cm

0–99 mm

427

100–199 mm

1355

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Willow Brook

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

Chub Roach Perch Bullhead European eel Dace

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 →