RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the River DS Cam

Largest measured rudd: 30.4 cm

The largest rudd measured in Environment Agency surveys of the River DS Cam was 30.4 cm, recorded at Dimmocks Cote on 16 July 2007.

Across 72 measured rudd, the median measured length was 8.8 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 DS Cam.

See rudd records across England →

Most recent observation1 October 2025Baits Bite Lock · 12 fish
Largest measured rudd
30.4 cm
Median length
8.8 cm
Fish measured
72
Survey locations
9

Individual EA measurements

Largest measured rudd

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
30.4 cm16 Jul 2007Dimmocks Cote105917
20.2 cm2 Aug 2011Ducketts Farm Upware127223
18.2 cm2 Aug 2011Ducketts Farm Upware127223
16.1 cm16 Jul 2007Dimmocks Cote105917
15.8 cm16 Jul 2007Dimmocks Cote105917
15 cm18 Sept 2002Midsummer Common61820
14.9 cm16 Jul 2007Dimmocks Cote105917
13.8 cm19 May 1993Fen Ditton29375
12.9 cm1 Aug 2011Hatleys Wash127203
12.8 cm7 Nov 1990Midsummer Common29355

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where rudd were found

Each point marks a survey location with at least one rudd 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 rudd
Baits Bite Lock15 Sept 20031 Oct 20253
Commissioners Farm27 Sept 201127 Sept 20111
Ducketts Farm Upware2 Aug 20112 Aug 20111
Hatleys Wash25 Aug 20041 Aug 20112
Dimmocks Cote7 Jun 199311 Aug 20106
Midsummer Common7 Nov 199026 Jul 20105
Fen Ditton19 May 19938 Sept 20083
Clayhithe Bridge25 May 199324 Aug 20044
Horningsea16 Oct 199616 Oct 19961

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 rudd that year.

Fish measured by surveyors

Measured length distribution

See how the 72 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
7.8 cm
Median
8.8 cm
Upper quarter
11 cm
Largest
30.4 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 →