Gudgeon · Gobio gobio

Gudgeon in the River Cockhaise

Largest measured gudgeon: 16 cm

The largest gudgeon measured in Environment Agency surveys of the River Cockhaise was 16 cm, recorded at Wildboar Bridge on 14 September 2009.

Across 111 measured gudgeon, the median measured length was 10 cm.

Surveyors recorded weights for 93 gudgeon. The median was 0.4 oz (0.011 kg) and the largest recorded weight was 1.5 oz (0.043 kg).

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

See gudgeon records across England →

Most recent observation31 July 2024Wildboar Bridge · 5 fish

Largest measured gudgeon: 16 cm
Median length: 10 cm
Fish measured: 111
Survey locations: 2

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 cm	14 Sept 2009	Wildboar Bridge	119647
15.5 cm	26 Aug 2003	Wildboar Bridge	76916
15.1 cm	14 Sept 2009	Wildboar Bridge	119647
14.5 cm	14 Sept 2009	Wildboar Bridge	119647
14.5 cm	26 Jun 2001	Wildboar Bridge	51877
14.4 cm	20 Sept 2023	Wildboar Bridge	163716
14 cm	31 Jul 2024	Wildboar Bridge	166432
14 cm	26 Jun 2001	Wildboar Bridge	51877
13.9 cm	31 Jul 2024	Wildboar Bridge	166432
13.9 cm	20 Sept 2023	Wildboar Bridge	163716

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
Wildboar Bridge	26 Jun 2001	31 Jul 2024	5
Horsted Keynes STW	26 Jun 2001	4 Sept 2003	2

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

2001–2024

Survey records by year

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

201

002

203

004

005

006

007

008

109

010

011

012

013

014

015

016

017

018

019

020

021

022

123

124

Fish measured by surveyors

Measured length distribution

See how the 111 measured fish were spread across different length ranges.

Smallest: 2.6 cm
Lower quarter: 7.4 cm
Median: 10 cm
Upper quarter: 12.1 cm
Largest: 16 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 93 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.004 kg)
Median: 0.4 oz (0.011 kg)
Upper quarter: 0.6 oz (0.018 kg)
Heaviest: 1.5 oz (0.043 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Cockhaise

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

Brown / sea trout Perch European eel Bullhead Minnow Chub

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 →