RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the River Wensum (upper)

Largest measured rudd: 16.8 cm

The largest rudd measured in Environment Agency surveys of the River Wensum (upper) was 16.8 cm, recorded at Upstream Fakenham Mill on 2 September 2025.

Across 13 measured rudd, the median measured length was 12.8 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 Wensum (upper).

See rudd records across England →

Most recent observation2 September 2025Upstream Fakenham Mill · 1 fish
Largest measured rudd
16.8 cm
Median length
12.8 cm
Fish measured
13
Survey locations
2

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
16.8 cm2 Sept 2025Upstream Fakenham Mill178591
16.5 cm10 Apr 2025Hellhoughton Common177091
16.5 cm3 Sept 2024Upstream Fakenham Mill167171
14.3 cm3 Sept 2024Upstream Fakenham Mill167171
14.2 cm3 Sept 2024Upstream Fakenham Mill167171
13.1 cm5 Apr 2019Hellhoughton Common155065
12.8 cm3 Sept 2024Upstream Fakenham Mill167171
12.8 cm18 Apr 2023Hellhoughton Common162544
8.3 cm18 Apr 2023Hellhoughton Common162544
7.7 cm18 Apr 2023Hellhoughton Common162544

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
Upstream Fakenham Mill12 Sept 20122 Sept 20253
Hellhoughton Common5 Apr 201910 Apr 20253

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

2012–2025

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 13 measured fish were spread across different length ranges.

Smallest
4.7 cm
Lower quarter
7.7 cm
Median
12.8 cm
Upper quarter
14.3 cm
Largest
16.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (upper)

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

Brown / sea trout Stone loach Bullhead European eel 3-spined stickleback Brook lamprey

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 →