RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the River Lee

Largest measured rudd: 27 cm

The largest rudd measured in Environment Agency surveys of the River Lee was 27 cm, recorded at Walthamstow Resevoirs on 2 March 1993.

Across 27 measured rudd, the median measured length was 13.5 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 Lee.

See rudd records across England →

Most recent observation31 July 2025Waterdale · 1 fish
Largest measured rudd
27 cm
Median length
13.5 cm
Fish measured
27
Survey locations
7

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
27 cm2 Mar 1993Walthamstow Resevoirs116137
26.8 cm2 Mar 1993Walthamstow Resevoirs116137
21.5 cm22 Mar 1978Water Hall Farm116734
17.9 cm13 Jul 2023Red Spinners Bayford162863
17.6 cm22 Mar 1978Water Hall Farm116734
17.1 cm1 Aug 2012Wheathampstead133929
15.5 cm10 Jul 2007Essendon105886
15.5 cm3 May 2005Gilwell Park Lake84803
15 cm10 Jul 2007Essendon105886
15 cm3 May 2005Gilwell Park Lake84803

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
Waterdale1 Aug 201931 Jul 20252
Red Spinners Bayford13 Jul 202313 Jul 20231
Wheathampstead1 Aug 20121 Aug 20121
Essendon10 Jul 20078 Jul 20092
Gilwell Park Lake3 May 20053 May 20051
Walthamstow Resevoirs2 Mar 19932 Mar 19931
Water Hall Farm22 Mar 197822 Mar 19781

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

1978–2025

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 27 measured fish were spread across different length ranges.

Smallest
7 cm
Lower quarter
12.9 cm
Median
13.5 cm
Upper quarter
15.5 cm
Largest
27 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lee

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

Roach Perch Gudgeon Minnow Chub Pike

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 →