Rudd · Scardinius erythrophthalmus

Rudd in the River Ouse

Largest measured rudd: 19.7 cm

The largest rudd measured in Environment Agency surveys of the River Ouse was 19.7 cm, recorded at Sheffield Bridge on 11 July 2013.

Across 37 measured rudd, the median measured length was 11.5 cm.

Surveyors recorded weights for 9 rudd. The median was 0.3 oz (0.009 kg) and the largest recorded weight was 2.8 oz (0.078 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 Ouse.

See rudd records across England →

Most recent observation15 September 2015Sloop · 4 fish

Largest measured rudd: 19.7 cm
Median length: 11.5 cm
Fish measured: 37
Survey locations: 8

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
19.7 cm	11 Jul 2013	Sheffield Bridge	137099
18.6 cm	11 Jul 2013	Sheffield Bridge	137099
18.2 cm	17 Sept 2009	Newick	119245
17.5 cm	11 Jul 2013	Sheffield Bridge	137099
17 cm	17 Sept 2009	Newick	119245
16.2 cm	17 Sept 2009	Newick	119245
16.2 cm	24 Aug 2004	Sloop	81613
16 cm	24 Aug 2004	Sloop	81613
15.4 cm	17 Sept 2009	Newick	119245
14.7 cm	17 Sept 2009	Newick	119245

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
Sloop	24 Aug 2004	15 Sept 2015	2
Newick	17 Sept 2009	18 Jul 2013	3
Sheffield Bridge	11 Jul 2013	11 Jul 2013	1
Sloop Weir Upstream	25 Oct 2011	25 Oct 2011	1
Fletching Mill Upstream	20 Sept 2009	20 Sept 2009	1
Avins Bridge	7 Sept 2007	7 Sept 2007	1
Sharpsbridge	23 Aug 2007	23 Aug 2007	1
Isfield Church	1 Sept 2005	1 Sept 2005	1

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

2004–2015

Survey records by year

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

104

105

006

207

008

209

010

211

012

213

014

115

Fish measured by surveyors

Measured length distribution

See how the 37 measured fish were spread across different length ranges.

Smallest: 5.5 cm
Lower quarter: 9.6 cm
Median: 11.5 cm
Upper quarter: 14.7 cm
Largest: 19.7 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 9 rudd. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.1 oz (0.004 kg)
Median: 0.3 oz (0.009 kg)
Upper quarter: 2 oz (0.056 kg)
Heaviest: 2.8 oz (0.078 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 Ouse

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

European eel Perch Roach Dace Gudgeon Stone loach

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 →