RiverFish

Gudgeon · Gobio gobio

Gudgeon in the Milton Brook

Largest measured gudgeon: 13.8 cm

The largest gudgeon measured in Environment Agency surveys of the Milton Brook was 13.8 cm, recorded at Gwmi05 on 17 May 2024.

Across 70 measured gudgeon, the median measured length was 10.4 cm.

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

See gudgeon records across England →

Most recent observation17 May 2024Gwmi05 · 25 fish
Largest measured gudgeon
13.8 cm
Median length
10.4 cm
Fish measured
70
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
13.8 cm17 May 2024Gwmi05167958
13.5 cm16 May 2024Gwmi04167953
13.2 cm17 May 2024Gwmi05167958
13 cm17 May 2024Gwmi05167958
12.7 cm17 May 2024Gwmi05167958
12.7 cm17 May 2024Gwmi05167958
12.7 cm17 May 2024Gwmi05167958
12.5 cm16 May 2024Gwmi04167953
12.4 cm16 May 2024Gwmi04167953
12.3 cm17 May 2024Gwmi05167958

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
Gwmi0514 Jun 201017 May 20243
Gwmi0417 May 202216 May 20242

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

2010–2024

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 70 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
9.7 cm
Median
10.5 cm
Upper quarter
11.6 cm
Largest
13.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Milton Brook

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

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 →