RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the River Sapiston (Black Bourn)

Largest measured rudd: 24.8 cm

The largest rudd measured in Environment Agency surveys of the River Sapiston (Black Bourn) was 24.8 cm, recorded at Burnthall Plantation on 7 May 1992.

Across 37 measured rudd, the median measured length was 13.3 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 Sapiston (Black Bourn).

See rudd records across England →

Most recent observation7 September 2012Sapiston Bridge · 1 fish
Largest measured rudd
24.8 cm
Median length
13.3 cm
Fish measured
37
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
24.8 cm7 May 1992Burnthall Plantation30061
24.8 cm7 May 1992Burnthall Plantation30061
24.8 cm7 May 1992Burnthall Plantation30061
24.3 cm13 Jul 1988Sapiston Bridge30032
23.8 cm7 May 1992Burnthall Plantation30061
23.8 cm7 May 1992Burnthall Plantation30061
23.8 cm7 May 1992Burnthall Plantation30061
22.8 cm16 Oct 1995Bardwell Mill30069
21.8 cm30 Oct 1995Euston30074
20.8 cm8 May 1992Bardwell Mill30058

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
Sapiston Bridge13 Jul 19887 Sept 20124
Ixworth30 Mar 19895 Sept 20122
Micklemere11 Jul 19884 Sept 20122
Bailey Pool Bridge3 Sept 20123 Sept 20121
Euston30 Oct 199530 Oct 19951
Ixworth Mill17 Oct 199517 Oct 19951
Bardwell Mill3 Apr 198916 Oct 19953
Burnthall Plantation7 May 19927 May 19921
US Burnthall Plantation5 May 19925 May 19921

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

1988–2012

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 37 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
10.3 cm
Median
13.3 cm
Upper quarter
20.8 cm
Largest
24.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Sapiston (Black Bourn)

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

Dace Roach Gudgeon Pike Chub 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 →