Gudgeon · Gobio gobio

Gudgeon in the River Cam

Largest measured gudgeon: 13 cm

The largest gudgeon measured in Environment Agency surveys of the River Cam was 13 cm, recorded at Bridgehampton on 16 July 2008.

Across 13 measured gudgeon, the median measured length was 11 cm.

Surveyors recorded weights for 4 gudgeon. The median was 0.2 oz (0.006 kg) and the largest recorded weight was 0.2 oz (0.007 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 Cam.

See gudgeon records across England →

Most recent observation18 July 2024Bridgehampton · 1 fish

Largest measured gudgeon: 13 cm
Median length: 11 cm
Fish measured: 13
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
13 cm	16 Jul 2008	Bridgehampton	112002
12.7 cm	16 Jul 2008	Bridgehampton	112002
12.1 cm	18 Jul 2013	Bridgehampton	137470
12 cm	16 Jul 2008	Bridgehampton	112002
11.2 cm	13 Jul 2007	Bridgehampton	105885
11.1 cm	16 Jul 2008	Bridgehampton	112002
11 cm	18 Jul 2024	Bridgehampton	165765
10.8 cm	9 Jul 2019	Bridgehampton	154760
8.9 cm	28 Sept 1993	Bridgehampton	79904
7.9 cm	28 Sept 1993	Bridgehampton	79904

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
Bridgehampton	28 Sept 1993	18 Jul 2024	7

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

1993–2024

Survey records by year

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

193

094

095

096

097

098

099

000

001

002

003

004

005

006

107

108

009

110

011

012

113

014

015

016

017

018

119

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 13 measured fish were spread across different length ranges.

Smallest: 7.4 cm
Lower quarter: 7.9 cm
Median: 11 cm
Upper quarter: 12 cm
Largest: 13 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 4 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.005 kg)
Lower quarter: 0.2 oz (0.0058 kg)
Median: 0.2 oz (0.006 kg)
Upper quarter: 0.2 oz (0.0062 kg)
Heaviest: 0.2 oz (0.007 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 Cam

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

European eel Chub Minnow 3-spined stickleback Stone loach 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 →