Rudd · Scardinius erythrophthalmus

Rudd in the River Wallers Haven

Largest measured rudd: 21.5 cm

The largest rudd measured in Environment Agency surveys of the River Wallers Haven was 21.5 cm, recorded at Upstream Boreham Bridge on 9 July 2013.

Across 18 measured rudd, the median measured length was 8.3 cm.

Surveyors recorded weights for 2 rudd. The median was 0.6 oz (0.018 kg) and the largest recorded weight was 0.7 oz (0.019 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Wallers Haven.

See rudd records across England →

Most recent observation1 August 2019Upstream Boreham Bridge · 1 fish

Largest measured rudd: 21.5 cm
Median length: 8.3 cm
Fish measured: 18
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
21.5 cm	9 Jul 2013	Upstream Boreham Bridge	137098
15 cm	1 Aug 2019	Upstream Boreham Bridge	155031
14.3 cm	31 Jul 2019	Horse Bridge	155030
10.4 cm	9 Nov 1999	Upstream Boreham Bridge	55170
10.3 cm	9 Nov 1999	Upstream Boreham Bridge	55170
9.2 cm	31 Jul 2019	Horse Bridge	155030
9 cm	5 Jul 2016	Middle Bridge	148542
8.8 cm	31 Jul 2019	Horse Bridge	155030
8.4 cm	5 Jul 2016	Middle Bridge	148542
8.3 cm	31 Jul 2019	Horse Bridge	155030

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 Boreham Bridge	9 Nov 1999	1 Aug 2019	3
Horse Bridge	23 Oct 2009	31 Jul 2019	2
Middle Bridge	5 Jul 2016	5 Jul 2016	1

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

1999–2019

Survey records by year

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

199

000

001

002

003

004

005

006

007

008

109

010

011

012

113

014

015

116

017

018

219

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 6.1 cm
Median: 8.4 cm
Upper quarter: 10 cm
Largest: 21.5 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 2 rudd. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.6 oz (0.017 kg)
Lower quarter: 0.6 oz (0.0175 kg)
Median: 0.6 oz (0.018 kg)
Upper quarter: 0.7 oz (0.0185 kg)
Heaviest: 0.7 oz (0.019 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Wallers Haven

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

Perch European eel Roach Pike Common bream Gudgeon

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 →