Gudgeon · Gobio gobio

Gudgeon in the River Cary

Largest measured gudgeon: 13.5 cm

The largest gudgeon measured in Environment Agency surveys of the River Cary was 13.5 cm, recorded at Somerton Door on 3 June 2025.

Across 156 measured gudgeon, the median measured length was 10 cm.

Surveyors recorded weights for 4 gudgeon. The median was 0.4 oz (0.0105 kg) and the largest recorded weight was 0.4 oz (0.012 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 Cary.

See gudgeon records across England →

Most recent observation3 June 2025Somerton Door · 17 fish

Largest measured gudgeon: 13.5 cm
Median length: 10 cm
Fish measured: 156
Survey locations: 4

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
13.5 cm	3 Jun 2025	Somerton Door	176753
13.5 cm	3 Jun 2025	Somerton Door	176753
13.4 cm	3 Jun 2025	Somerton Door	176753
13.2 cm	16 Apr 2019	Somerton Door	154411
13.1 cm	3 Jun 2025	Somerton Door	176753
12.9 cm	1 Oct 2008	Somerton Door	115552
12.8 cm	1 Oct 2008	Somerton Door	115552
12.7 cm	14 Sept 2017	Perry's Bridge	151618
12.6 cm	16 Apr 2019	Somerton Door	154411
12.4 cm	3 Jun 2025	Somerton Door	176753

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
Somerton Door	3 Aug 2006	3 Jun 2025	8
Perry's Bridge	14 Sept 2017	22 May 2019	2
Cary Bridge	30 Apr 2019	30 Apr 2019	1
D/s Somerton STW	10 Apr 2019	10 Apr 2019	1

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

2006–2025

Survey records by year

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

106

107

108

009

010

111

012

013

114

015

016

117

018

419

020

021

122

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 156 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 8.7 cm
Median: 10 cm
Upper quarter: 11.1 cm
Largest: 13.5 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: 0.1 oz (0.002 kg)
Lower quarter: 0.3 oz (0.0072 kg)
Median: 0.4 oz (0.0105 kg)
Upper quarter: 0.4 oz (0.012 kg)
Heaviest: 0.4 oz (0.012 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 Cary

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

Roach 3-spined stickleback Minnow Pike Dace European eel

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 →