RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Boulters - Bray

Largest measured gudgeon: 14.5 cm

The largest gudgeon measured in Environment Agency surveys of the River Boulters - Bray was 14.5 cm, recorded at Boulters - Bray, Main Channel on 2 September 2003.

Across 177 measured gudgeon, the median measured length was 10.8 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 Boulters - Bray.

See gudgeon records across England →

Most recent observation4 September 2017Boulters Weir Stream · 2 fish
Largest measured gudgeon
14.5 cm
Median length
10.8 cm
Fish measured
177
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.

LengthSurvey dateSurvey locationSurvey ID
14.5 cm2 Sept 2003Boulters - Bray, Main Channel77417
14.1 cm7 Sept 2004Boulters - Bray, Main Channel82358
14 cm2 Sept 2003Boulters - Bray, Main Channel77417
14 cm2 Sept 2003Boulters - Bray, Main Channel77417
13.5 cm7 Sept 2004Boulters - Bray, Main Channel82358
13.5 cm2 Sept 2003Boulters - Bray, Main Channel77417
13.5 cm1 Sept 2000Boulters Weir Stream121570
13.5 cm1 Sept 2000Boulters - Bray, Main Channel121569
13.5 cm1 Sept 2000Boulters - Bray, Main Channel121569
13.5 cm1 Sept 2000Boulters - Bray, Main Channel121569

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
Boulters Weir Stream1 Sept 19954 Sept 201712
Boulters - Bray, Main Channel18 Sept 19957 Sept 20047

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

1995–2017

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 177 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
10 cm
Median
10.8 cm
Upper quarter
11.8 cm
Largest
14.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Boulters - Bray

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

Bleak Pike Dace Roach Chub 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 →