Gudgeon · Gobio gobio

Gudgeon in the Claydon Brook

Largest measured gudgeon: 18.8 cm

The largest gudgeon measured in Environment Agency surveys of the Claydon Brook was 18.8 cm, recorded at Hill Farm on 25 February 1991.

Across 895 measured gudgeon, the median measured length was 8.3 cm.

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

See gudgeon records across England →

Most recent observation2 August 2016Brook Farm · 7 fish

Largest measured gudgeon: 18.8 cm
Median length: 8.3 cm
Fish measured: 895
Survey locations: 6

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
18.8 cm	25 Feb 1991	Hill Farm	28968
18.8 cm	25 Feb 1991	Hill Farm	28968
18.8 cm	25 Feb 1991	Hill Farm	28968
18.8 cm	25 Feb 1991	Hill Farm	28968
14.3 cm	1 May 1998	West Hill Farm	28988
13.8 cm	10 Mar 1994	Brook Farm	28975
13.8 cm	10 Mar 1994	Brook Farm	28975
13.8 cm	10 Mar 1994	Brook Farm	28975
13.3 cm	10 Mar 1994	Brook Farm	28975
13.3 cm	10 Mar 1994	Brook Farm	28975

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
Brook Farm	25 May 1988	2 Aug 2016	4
Hill Farm	24 May 1988	1 Jul 2010	5
West Hill Farm	12 May 1988	25 May 2010	5
DS White Bridge	27 Mar 2006	27 Mar 2006	1
White Bridge	25 May 1988	27 Feb 1998	4
Furzen Farm	17 May 1988	25 Feb 1998	4

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

1988–2016

Survey records by year

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

588

089

090

491

092

093

594

095

096

097

498

099

000

001

002

003

004

005

106

007

008

009

210

111

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 895 measured fish were spread across different length ranges.

Smallest: 3.8 cm
Lower quarter: 7.3 cm
Median: 8.3 cm
Upper quarter: 9.3 cm
Largest: 18.8 cm

0–99 mm

712

100–199 mm

183

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Claydon Brook

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

Chub Pike Roach Dace Stone loach 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 →