RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the South Holland Main Drain

Largest measured rudd: 35 cm

The largest rudd measured in Environment Agency surveys of the South Holland Main Drain was 35 cm, recorded at Sharps Bridge (South Holland Drain) on 7 October 1997.

Across 752 measured rudd, the median measured length was 9 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the South Holland Main Drain.

See rudd records across England →

Most recent observation2 April 2025Cliftons Bridge · 11 fish
Largest measured rudd
35 cm
Median length
9 cm
Fish measured
752
Survey locations
14

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 cm7 Oct 1997Sharps Bridge (South Holland Drain)54714
30.9 cm1 Apr 2025Coy Sluice176157
30 cm1 Apr 2025Coy Sluice176157
28 cm1 Apr 2025Coy Sluice176157
24.3 cm2 Apr 2025Cliftons Bridge176158
24.3 cm1 Apr 2025Coy Sluice176157
23.5 cm1 Apr 2025Coy Sluice176157
23.3 cm1 Apr 2025Coy Sluice176157
23 cm20 Jun 1991Downstream Coy Sluice54693
23 cm20 Jun 1991Downstream Coy Sluice54693

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
Cliftons Bridge7 May 19862 Apr 202510
Coy Sluice13 Jun 20011 Apr 20258
Shell Bridge15 Apr 198626 Mar 202510
Foremans Bridge8 May 198628 Apr 20166
Red House Bridge19 Jun 19917 Apr 20113
Upstream Wisemans Pumping Station5 Jan 198816 Apr 20103
Little Holland - Middle Site27 Mar 200627 Mar 20061
Red House Farm6 Mar 20066 Mar 20061
Donnington Pumping Station?6 Mar 20066 Mar 20061
Sharps Bridge (South Holland Drain)7 Oct 199720 Jun 20012
Leedsgate Bridge8 Jan 198811 Jun 19973
Upstream Coy Sluice8 Jul 19948 Jul 19941
Holland House1 Jul 19911 Jul 19911
Downstream Coy Sluice20 Jun 199120 Jun 19911

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

1986–2025

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 752 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
7.8 cm
Median
9 cm
Upper quarter
11 cm
Largest
35 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the South Holland Main Drain

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

Roach Pike Gudgeon Common bream Perch European eel

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 →