RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Devon

Largest measured gudgeon: 12.5 cm

The largest gudgeon measured in Environment Agency surveys of the River Devon was 12.5 cm, recorded at Cottam Gauging Station on 2 June 2015.

Across 47 measured gudgeon, the median measured length was 11.4 cm.

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

See gudgeon records across England →

Most recent observation6 August 2025Cottam Gauging Station · 3 fish
Largest measured gudgeon
12.5 cm
Median length
11.4 cm
Fish measured
47
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.

LengthSurvey dateSurvey locationSurvey ID
12.5 cm2 Jun 2015Cottam Gauging Station145263
12.3 cm21 Jun 2017Bottesford150586
12.3 cm2 Jun 2015Cottam Gauging Station145263
12.2 cm2 Jun 2015Cottam Gauging Station145263
12.1 cm2 Jun 2015Cottam Gauging Station145263
12.1 cm2 Jun 2015Cottam Gauging Station145263
12 cm2 Jun 2015Cottam Gauging Station145263
12 cm24 May 2011Staunton in the Vale126325
11.9 cm6 Aug 2025Cottam Gauging Station178217
11.9 cm2 Jun 2015Cottam Gauging Station145263

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 surveyedFirst recordedLast recordedVisits finding gudgeon
Cottam Gauging Station5 May 19956 Aug 20258
Staunton in the Vale24 May 201121 Jun 20172
Bottesford12 Jun 201321 Jun 20172
Hawton19 Feb 199819 Feb 19981

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

1995–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 47 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
9.8 cm
Median
11.4 cm
Upper quarter
11.7 cm
Largest
12.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Devon

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

Roach European eel 3-spined stickleback Bullhead Stone loach Perch

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 →