RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Penk

Largest measured gudgeon: 21.5 cm

The largest gudgeon measured in Environment Agency surveys of the River Penk was 21.5 cm, recorded at Radford Bridge on 24 August 1993.

Across 1,434 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 Penk.

See gudgeon records across England →

Most recent observation11 June 2025Cuttlestone Bridge · 1 fish
Largest measured gudgeon
21.5 cm
Median length
11.4 cm
Fish measured
1,434
Survey locations
9

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
21.5 cm24 Aug 1993Radford Bridge4952
16 cm7 Sept 1993Pendeford Nature Reserve4964
15.8 cm7 Sept 1993Pendeford Nature Reserve4964
15.6 cm6 Sept 2005Acton Mill Bridge, Acton Trussel86011
15.5 cm6 Sept 2005Acton Mill Bridge, Acton Trussel86011
15.5 cm17 Aug 2005Stretton Mill85688
15.5 cm7 Sept 1993Pendeford Nature Reserve4964
15.4 cm1 Sept 1993Somerford Mill Farm4962
15.4 cm21 Aug 1990Somerford Mill Farm4810
15.4 cm21 Aug 1990Brewood Park Farm4806

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
Cuttlestone Bridge12 Sept 199011 Jun 202511
Acton Mill Bridge, Acton Trussel27 Sept 199025 Jun 20246
Radford Bridge29 Sept 19929 Aug 20188
Lower Drayton25 Aug 19934 Jun 20154
Stretton Mill12 Sept 199017 Aug 20054
Somerford Mill Farm21 Aug 199017 Aug 20054
Pendeford Nature Reserve28 Aug 199016 Aug 20053
Brewood Park Farm21 Aug 199016 Aug 20053
Allotment Site Codsall8 Sept 19938 Sept 19931

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

1990–2025

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 1,434 measured fish were spread across different length ranges.

Smallest
5.3 cm
Lower quarter
9.9 cm
Median
11.4 cm
Upper quarter
12.4 cm
Largest
21.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Penk

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

Bullhead 3-spined stickleback Stone loach Perch Minnow Roach

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 →