Rudd · Scardinius erythrophthalmus

Rudd in the Main River Yeo

Largest measured rudd: 18.1 cm

The largest rudd measured in Environment Agency surveys of the Main River Yeo was 18.1 cm, recorded at Upstream Yeovilton Weir on 14 May 1993.

Across 70 measured rudd, the median measured length was 8.8 cm.

Surveyors recorded weights for 48 rudd. The median was 0.4 oz (0.0105 kg) and the largest recorded weight was 4.4 oz (0.124 kg).

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

See rudd records across England →

Most recent observation21 July 2008Pibsbury Pumping Station (Te) · 1 fish

Largest measured rudd: 18.1 cm
Median length: 8.8 cm
Fish measured: 70
Survey locations: 5

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
18.1 cm	14 May 1993	Upstream Yeovilton Weir	79861
13.4 cm	14 May 1993	Upstream Yeovilton Weir	79861
13.1 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887
13 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887
12.8 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887
12.7 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887
12.1 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887
12 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887
11.9 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887
11.7 cm	12 Jul 2007	Downstream Sherborne Lake (Te)	105887

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
Pibsbury Pumping Station (Te)	21 Jul 2008	21 Jul 2008	1
Downstream Sherborne Lake (Te)	4 Jun 2003	12 Jul 2007	4
Downstream Hainbury Mill	23 Jun 1993	23 Jun 1993	1
Downstream Ablake	8 Jun 1993	8 Jun 1993	1
Upstream Yeovilton Weir	14 May 1993	14 May 1993	1

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

1993–2008

Survey records by year

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

393

094

095

096

097

098

099

000

001

002

103

104

105

006

107

108

Fish measured by surveyors

Measured length distribution

See how the 70 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 7.7 cm
Median: 8.8 cm
Upper quarter: 10.6 cm
Largest: 18.1 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 48 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: 0.2 oz (0.007 kg)
Median: 0.4 oz (0.0105 kg)
Upper quarter: 0.5 oz (0.014 kg)
Heaviest: 4.4 oz (0.124 kg)

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

More fish in this river

Explore the Main River Yeo

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

Gudgeon European eel Chub Roach Dace Minnow

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 →