RiverFish

Gudgeon · Gobio gobio

Gudgeon in the Medlam Drain

Largest measured gudgeon: 12.8 cm

The largest gudgeon measured in Environment Agency surveys of the Medlam Drain was 12.8 cm, recorded at Hakerley Bridge on 17 May 1993.

Across 31 measured gudgeon, the median measured length was 10.1 cm.

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

See gudgeon records across England →

Most recent observation17 May 1993Hakerley Bridge · 8 fish
Largest measured gudgeon
12.8 cm
Median length
10.1 cm
Fish measured
31
Survey locations
3

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
12.8 cm17 May 1993Hakerley Bridge58273
12.2 cm17 May 1993Hakerley Bridge58273
12 cm17 May 1993Hakerley Bridge58273
11.8 cm17 May 1993Hakerley Bridge58273
11.6 cm14 Nov 1990Skirbeck Farm58258
11.3 cm14 Nov 1990Skirbeck Farm58258
11.3 cm24 Oct 1990Hakerley Bridge58257
11.2 cm17 May 1993Hakerley Bridge58273
11 cm17 May 1993Hakerley Bridge58273
11 cm24 Oct 1990Hakerley Bridge58257

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
Hakerley Bridge24 Oct 199017 May 19932
Medlam Bridge30 Oct 199014 May 19932
Skirbeck Farm14 Nov 199012 May 19932

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

1990–1993

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 31 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
8.5 cm
Median
10.1 cm
Upper quarter
11.1 cm
Largest
12.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Medlam Drain

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

Perch Pike Roach Common bream Tench Ruffe

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 →