Rudd · Scardinius erythrophthalmus

Rudd in the River Wensum (Restoration strategy)

Largest measured rudd: 9.8 cm

The largest rudd measured in Environment Agency surveys of the River Wensum (Restoration strategy) was 9.8 cm, recorded at Hempton Moor (Upstream Fakenham bypass) (reach 27) on 26 July 2012.

Across 6 measured rudd, the median measured length was 6.5 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 Wensum (Restoration strategy).

See rudd records across England →

Most recent observation5 July 2019Upstream County School (reach 19) · 1 fish

Largest measured rudd: 9.8 cm
Median length: 6.5 cm
Fish measured: 6
Survey locations: 3

Individual EA measurements

Largest measured rudd

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
9.8 cm	26 Jul 2012	Hempton Moor (Upstream Fakenham bypass) (reach 27)	132551
7.5 cm	5 Jul 2019	Upstream County School (reach 19)	156027
7.1 cm	5 Sept 2015	Hempton Moor (Upstream Fakenham bypass) (reach 27)	146623
6 cm	5 Sept 2015	Hempton Moor (Upstream Fakenham bypass) (reach 27)	146623
5.8 cm	1 Sept 2011	Gt. Ryburgh Common, New loop (Reach24)	128076
4.3 cm	5 Sept 2015	Hempton Moor (Upstream Fakenham bypass) (reach 27)	146623

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 surveyed	First recorded	Last recorded	Visits finding rudd
Upstream County School (reach 19)	5 Jul 2019	5 Jul 2019	1
Hempton Moor (Upstream Fakenham bypass) (reach 27)	26 Jul 2012	5 Sept 2015	2
Gt. Ryburgh Common, New loop (Reach24)	1 Sept 2011	1 Sept 2011	1

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

2011–2019

Survey records by year

Each bar shows how many survey visits recorded rudd that year.

111

112

013

014

115

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 6 measured fish were spread across different length ranges.

Smallest: 4.3 cm
Lower quarter: 5.9 cm
Median: 6.6 cm
Upper quarter: 7.4 cm
Largest: 9.8 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (Restoration strategy)

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

Minnow Bullhead Dace Stone loach Gudgeon 3-spined stickleback

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 →