Gudgeon · Gobio gobio

Gudgeon in the West Sedgemoor Main Drain Catchment

Largest measured gudgeon: 11.8 cm

The largest gudgeon measured in Environment Agency surveys of the West Sedgemoor Main Drain Catchment was 11.8 cm, recorded at Stathe on 17 October 2013.

Across 30 measured gudgeon, the median measured length was 7.5 cm.

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

See gudgeon records across England →

Most recent observation1 June 2016Stathe · 1 fish

Largest measured gudgeon: 11.8 cm
Median length: 7.5 cm
Fish measured: 30
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
11.8 cm	17 Oct 2013	Stathe	139579
10.7 cm	11 Apr 2012	Listock	131173
10.6 cm	11 Apr 2012	Listock	131173
10.5 cm	18 Jun 2013	Stathe	136869
10.4 cm	18 Jun 2013	Stathe	136869
10 cm	28 May 2015	Stathe	144800
9.2 cm	1 Jun 2016	Stathe	148114
9.2 cm	18 Jun 2013	Stathe	136869
8 cm	18 Jun 2013	Stathe	136869
7.9 cm	16 Oct 2014	Stathe	143520

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
Stathe	18 Jun 2013	1 Jun 2016	5
Listock	11 Apr 2012	11 Apr 2012	1

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

2012–2016

Survey records by year

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

112

213

114

115

116

Fish measured by surveyors

Measured length distribution

See how the 30 measured fish were spread across different length ranges.

Smallest: 3.2 cm
Lower quarter: 5.6 cm
Median: 7.5 cm
Upper quarter: 8.9 cm
Largest: 11.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the West Sedgemoor Main Drain Catchment

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

3-spined stickleback Motherless minnow / Sunbleak Roach Tench Pike Rudd

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 →