Rudd · Scardinius erythrophthalmus

Rudd in the River Witham

Largest measured rudd: 26.5 cm

The largest rudd measured in Environment Agency surveys of the River Witham was 26.5 cm, recorded at Queen Elizabeth Park on 20 May 1991.

Across 226 measured rudd, the median measured length was 8.7 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 Witham.

See rudd records across England →

Most recent observation13 November 2025Wyndom Park · 3 fish
Largest measured rudd
26.5 cm
Median length
8.7 cm
Fish measured
226
Survey locations
17

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
26.5 cm20 May 1991Queen Elizabeth Park53199
26.3 cm20 May 1997Paper Mill53341
26 cm11 Jul 1985Thorpe Tilney Road (Witham)53032
24.5 cm20 May 1997Paper Mill53341
24.5 cm8 Mar 1988Upstream Foston Ford53101
23.2 cm16 Sept 1985Marston Bridge52999
21 cm4 May 1988Paper Mill53093
20.9 cm18 Sept 2007Upstream Bracebridge Bridge107886
20.7 cm20 May 1997Paper Mill53341
20.6 cm20 May 1997Paper Mill53341

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
Wyndom Park13 Nov 202513 Nov 20251
Upstream Bracebridge Bridge30 Jul 199110 May 20179
Ex Power Station (Witham)12 Jun 20072 Jul 20092
Sleeper Bridge (Witham)24 Oct 200824 Oct 20081
Upstream Foston Ford8 Mar 19888 Apr 20083
Tattershall Bridge (Witham)13 Jul 200513 Jul 20062
Kirkstead Bridge (Witham)26 Jul 200412 Jul 20062
Kirks Farm R/B (Witham)22 Jul 198529 Jul 20042
Pelhams Land R/B (Witham)17 Jul 200317 Jul 20031
Tunnard Farm (Witham)29 Jun 200029 Jun 20001
Beech House Farm L/B (Witham)30 Jun 199830 Jun 19981
Paper Mill4 May 198820 May 19973
Queen Elizabeth Park20 May 199120 May 19911
Upstream R/B Bardney Bridge (Witham)21 Jul 198821 Jul 19881
Marston Bridge16 Sept 198516 Sept 19851
Hougham Mill - Marston Mill4 Sept 19854 Sept 19851
Thorpe Tilney Road (Witham)11 Jul 198511 Jul 19851

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

1985–2025

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 226 measured fish were spread across different length ranges.

Smallest
5.9 cm
Lower quarter
7.5 cm
Median
8.7 cm
Upper quarter
11.6 cm
Largest
26.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Witham

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

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 →