Gudgeon · Gobio gobio

Gudgeon in the Fleet

Largest measured gudgeon: 15.4 cm

The largest gudgeon measured in Environment Agency surveys of the Fleet was 15.4 cm, recorded at Girton on 7 June 2013.

Across 42 measured gudgeon, the median measured length was 9 cm.

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

See gudgeon records across England →

Most recent observation22 May 2019Girton · 25 fish

Largest measured gudgeon: 15.4 cm
Median length: 9 cm
Fish measured: 42
Survey locations: 1

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
15.4 cm	7 Jun 2013	Girton	139881
14.5 cm	24 May 2017	Girton	150427
14 cm	22 May 2019	Girton	154509
12.2 cm	22 May 2019	Girton	154509
12 cm	22 May 2019	Girton	154509
11.6 cm	22 May 2019	Girton	154509
11.4 cm	22 May 2019	Girton	154509
11.1 cm	22 May 2019	Girton	154509
11.1 cm	22 May 2019	Girton	154509
11 cm	22 May 2019	Girton	154509

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
Girton	17 Jun 2011	22 May 2019	5

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

2011–2019

Survey records by year

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

111

012

113

014

115

016

117

018

119

Fish measured by surveyors

Measured length distribution

See how the 42 measured fish were spread across different length ranges.

Smallest: 5.2 cm
Lower quarter: 7.7 cm
Median: 9 cm
Upper quarter: 10.7 cm
Largest: 15.4 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Fleet

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

European eel Roach Spined loach Perch 3-spined stickleback Bullhead

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 →