RiverFish

Roach · Rutilus rutilus

Roach in the River DS Cam

Largest measured roach: 33.3 cm

The largest roach measured in Environment Agency surveys of the River DS Cam was 33.3 cm, recorded at Baits Bite Lock on 17 January 1989.

Across 41,635 measured roach, the median measured length was 9.1 cm.

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

See roach records across England →

Most recent observation2 October 2025Clayhithe Bridge · 55 fish
Largest measured roach
33.3 cm
Median length
9.1 cm
Fish measured
41,635
Survey locations
10

Individual EA measurements

Largest measured roach

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

LengthSurvey dateSurvey locationSurvey ID
33.3 cm17 Jan 1989Baits Bite Lock29348
32.8 cm17 Jan 1989Baits Bite Lock29348
32.3 cm13 Dec 1990Horningsea29359
31.8 cm7 Nov 1990Midsummer Common29355
31.8 cm17 Jan 1989Baits Bite Lock29348
31.8 cm17 Jan 1989Baits Bite Lock29348
31.8 cm16 Jan 1988Fen Ditton29347
31.4 cm14 Oct 2019Midsummer Common155734
31.3 cm13 Dec 1990Horningsea29359
30.8 cm16 Jan 1988Fen Ditton29347

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

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Clayhithe Bridge19 Jan 19892 Oct 202518
Baits Bite Lock17 Jan 19891 Oct 202518
Fen Ditton16 Jan 198830 Sept 202518
Midsummer Common12 Jan 198925 Sept 202518
Ducketts Farm Upware1 Feb 198919 Aug 20167
Dimmocks Cote2 Feb 19896 Sept 201315
Commissioners Farm23 Jan 198927 Sept 20116
Horningsea18 Jan 198919 Aug 20116
Stourbridge Common13 Jan 19898 Aug 20116
Hatleys Wash30 Jan 19891 Aug 20116

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 roach that year.

Fish measured by surveyors

Measured length distribution

See how the 41,635 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
7.8 cm
Median
9.1 cm
Upper quarter
11.8 cm
Largest
33.3 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 Dace Gudgeon

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 →