Gudgeon · Gobio gobio

Gudgeon in the Bourn/Black Brook

Largest measured gudgeon: 16.2 cm

The largest gudgeon measured in Environment Agency surveys of the Bourn/Black Brook was 16.2 cm, recorded at Hints on 17 June 1999.

Across 270 measured gudgeon, the median measured length was 11.1 cm.

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

See gudgeon records across England →

Most recent observation6 July 2015Fazeley · 25 fish

Largest measured gudgeon: 16.2 cm
Median length: 11.1 cm
Fish measured: 270
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
16.2 cm	17 Jun 1999	Hints	83278
16 cm	14 Jan 2003	Shenstone, Lammas Land	73570
15.5 cm	28 Sept 2004	Hints	82473
15.4 cm	17 Jun 1999	Hints	83278
15.4 cm	17 Jun 1999	Hints	83278
15.4 cm	10 Jul 1996	Lodge Farm	5124
15.2 cm	1 May 1991	Lodge Farm	4259
14.9 cm	17 Jun 1999	Hints	83278
14.8 cm	17 Jun 1999	Hints	83278
14.8 cm	17 Jun 1999	Hints	83278

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
Fazeley	9 Jul 2013	6 Jul 2015	3
Thickbroom	30 Apr 2013	30 Apr 2013	1
Lodge Farm	1 May 1991	23 Apr 2013	7
Hints	21 Apr 1993	28 Sept 2004	4
Shenstone, Lammas Land	14 Jan 2003	14 Jan 2003	1

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

1991–2015

Survey records by year

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

191

192

293

094

095

296

097

098

299

000

001

002

103

204

005

006

007

008

009

010

011

012

413

014

115

Fish measured by surveyors

Measured length distribution

See how the 270 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 10 cm
Median: 11.1 cm
Upper quarter: 12.4 cm
Largest: 16.2 cm

0–99 mm

100–199 mm

204

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bourn/Black Brook

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

Roach Dace Brown / sea trout Bullhead Stone loach 3-spined stickleback

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 →