RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the King's Sedgemoor Drain

Largest measured rudd: 14 cm

The largest rudd measured in Environment Agency surveys of the King's Sedgemoor Drain was 14 cm, recorded at d/s Greylake sluice on 24 April 2007.

Across 128 measured rudd, the median measured length was 8.7 cm.

Surveyors recorded weights for 76 rudd. The median was 0.3 oz (0.009 kg) and the largest recorded weight was 1.7 oz (0.047 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the King's Sedgemoor Drain.

See rudd records across England →

Most recent observation13 April 2022d/s Greylake sluice · 7 fish
Largest measured rudd
14 cm
Median length
8.7 cm
Fish measured
128
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
14 cm24 Apr 2007d/s Greylake sluice105267
13.1 cm13 Apr 2022d/s Greylake sluice160906
13 cm13 Apr 2022d/s Greylake sluice160906
13 cm24 Apr 2007d/s Greylake sluice105267
12.3 cm14 Apr 2011u/s Greylake sluice126124
12.1 cm13 Apr 2022d/s Greylake sluice160906
12 cm4 Apr 2017d/s Greylake sluice150322
11.9 cm25 Apr 2007u/s Greylake sluice105174
11.7 cm14 Apr 2014d/s Greylake sluice140681
11.7 cm14 Apr 2014u/s Greylake sluice140680

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
d/s Greylake sluice24 Apr 200713 Apr 20226
u/s Greylake sluice25 Apr 200714 Apr 20143

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

2007–2022

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 128 measured fish were spread across different length ranges.

Smallest
5.7 cm
Lower quarter
7.9 cm
Median
8.7 cm
Upper quarter
10.4 cm
Largest
14 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 76 rudd. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.004 kg)
Lower quarter
0.2 oz (0.007 kg)
Median
0.3 oz (0.009 kg)
Upper quarter
0.5 oz (0.013 kg)
Heaviest
1.7 oz (0.047 kg)

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

More fish in this river

Explore the King's Sedgemoor Drain

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

Pike Roach Perch Silver bream Common bream 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 →