RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River DS Cam

Largest measured gudgeon: 13.3 cm

The largest gudgeon measured in Environment Agency surveys of the River DS Cam was 13.3 cm, recorded at Fen Ditton on 16 January 1988.

Across 1,166 measured gudgeon, the median measured length was 9.3 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 DS Cam.

See gudgeon records across England →

Most recent observation2 October 2025Clayhithe Bridge · 25 fish
Largest measured gudgeon
13.3 cm
Median length
9.3 cm
Fish measured
1,166
Survey locations
10

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
13.3 cm16 Jan 1988Fen Ditton29347
12.8 cm15 Aug 2016Midsummer Common149100
12.8 cm24 May 1993Horningsea29377
12.8 cm13 Dec 1990Horningsea29359
12.7 cm17 Sept 2019Fen Ditton155640
12.4 cm15 Aug 2016Midsummer Common149100
12.3 cm17 Sept 2001Midsummer Common30808
12.3 cm24 May 1993Horningsea29377
12.3 cm24 May 1993Horningsea29377
12.3 cm13 Dec 1990Horningsea29359

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
Clayhithe Bridge19 Jan 19892 Oct 202510
Fen Ditton16 Jan 198830 Sept 202516
Midsummer Common12 Jan 198925 Sept 202514
Baits Bite Lock17 Jan 198917 Aug 201612
Horningsea18 Jan 198919 Aug 20116
Stourbridge Common13 Jan 19898 Aug 20115
Hatleys Wash30 Jan 19891 Aug 20115
Dimmocks Cote27 Dec 199022 Aug 20013
Ducketts Farm Upware3 Jun 19933 Jun 19931
Commissioners Farm23 Jan 198927 May 19933

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

1988–2025

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 1,166 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
8.8 cm
Median
9.3 cm
Upper quarter
9.8 cm
Largest
13.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River DS Cam

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

Perch Pike Common bream Ruffe Roach Dace

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 →