RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the River DS Lark

Largest measured rudd: 35.8 cm

The largest rudd measured in Environment Agency surveys of the River DS Lark was 35.8 cm, recorded at Isleham Lock on 10 September 2024.

Across 436 measured rudd, the median measured length was 11.2 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 Lark.

See rudd records across England →

Most recent observation17 September 2024Branch Bridge · 281 fish
Largest measured rudd
35.8 cm
Median length
11.2 cm
Fish measured
436
Survey locations
10

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
35.8 cm10 Sept 2024Isleham Lock167147
35.5 cm17 Sept 2024Branch Bridge167139
28.8 cm20 Nov 1990Mildenhall29811
28.3 cm20 Nov 1990Mildenhall29811
28.1 cm17 Sept 2024Branch Bridge167139
27.6 cm17 Sept 2024Branch Bridge167139
27.3 cm20 Jun 1996Mildenhall29832
27.1 cm17 Sept 2024Branch Bridge167139
27 cm17 Sept 2024Branch Bridge167139
25.3 cm20 Nov 1990Mildenhall29811

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
Branch Bridge26 Jul 199317 Sept 20248
Prickwillow23 May 199311 Sept 202410
Isleham Lock14 Oct 200310 Sept 20249
Wamil Hall23 Nov 19905 Sept 20244
Mildenhall20 Nov 19908 Sept 201511
Judes Ferry20 Sept 201220 Sept 20121
East Fen Isleham6 Dec 19904 Sept 20074
Baskey Bay19 Jul 199322 Jul 19962
Lark Grange22 Jul 199319 Jul 19962
Isleham Backwater1 Jul 19961 Jul 19961

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

1990–2024

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 436 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
7.6 cm
Median
11.3 cm
Upper quarter
13.2 cm
Largest
35.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River DS Lark

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

Roach Perch Pike Dace Gudgeon Common bream

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 →