RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Churn

Largest measured gudgeon: 15.1 cm

The largest gudgeon measured in Environment Agency surveys of the River Churn was 15.1 cm, recorded at River Churn - Cerney Wick on 28 April 2003.

Across 382 measured gudgeon, the median measured length was 8.2 cm.

Surveyors recorded weights for 12 gudgeon. The median was 0.3 oz (0.008 kg) and the largest recorded weight was 1.5 oz (0.043 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 Churn.

See gudgeon records across England →

Most recent observation29 April 2025South Cerney - behind outdoor education centre · 3 fish
Largest measured gudgeon
15.1 cm
Median length
8.2 cm
Fish measured
382
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
15.1 cm28 Apr 2003River Churn - Cerney Wick78424
14.3 cm28 Apr 2003River Churn - Cerney Wick78424
14.3 cm15 Oct 2002River Churn - Cerney Wick73228
14.2 cm16 Apr 2015River Churn - Cerney Wick144565
14 cm16 Apr 2015River Churn - Cerney Wick144565
13.6 cm15 Oct 2002River Churn - Cerney Wick73228
13.5 cm16 Apr 2015River Churn - South Cerney Outdoor Education Centr144563
13.4 cm15 Oct 2002River Churn - Cerney Wick73228
13.3 cm15 Oct 2002River Churn - Cerney Wick73228
13.3 cm15 Oct 2002River Churn - Cerney Wick73228

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
South Cerney - behind outdoor education centre29 Apr 202529 Apr 20251
River Churn - South Cerney Outdoor Education Centr16 Apr 201516 Apr 20151
River Churn - Cerney Wick9 May 200216 Apr 20158
River Churn - Upstream Thames Confluence23 Mar 200423 Mar 20041

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

2002–2025

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 382 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
7.5 cm
Median
8.2 cm
Upper quarter
8.9 cm
Largest
15.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 12 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.003 kg)
Lower quarter
0.2 oz (0.0048 kg)
Median
0.3 oz (0.008 kg)
Upper quarter
0.6 oz (0.0162 kg)
Heaviest
1.5 oz (0.043 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 Churn

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

Brown / sea trout Bullhead Minnow Pike Roach 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 →