Rudd · Scardinius erythrophthalmus

Rudd in the Great Raveley Drain

Largest measured rudd: 33.3 cm

The largest rudd measured in Environment Agency surveys of the Great Raveley Drain was 33.3 cm, recorded at Speed The Plough Bridge on 15 July 1994.

Across 154 measured rudd, the median measured length was 8.2 cm.

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

See rudd records across England →

Most recent observation28 June 2023Woodwalton Fen · 33 fish

Largest measured rudd: 33.3 cm
Median length: 8.2 cm
Fish measured: 154
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.

Length	Survey date	Survey location	Survey ID
33.3 cm	15 Jul 1994	Speed The Plough Bridge	29725
31.8 cm	15 Jul 1994	Speed The Plough Bridge	29725
31.3 cm	15 Jul 1994	Speed The Plough Bridge	29725
30.3 cm	15 Jul 1994	Speed The Plough Bridge	29725
28.3 cm	15 Jul 1994	Speed The Plough Bridge	29725
18 cm	28 Jun 2023	Woodwalton Fen	162466
17.8 cm	10 Jul 1991	Woodwalton Fen	29724
16.3 cm	17 Jun 2011	Woodwalton Fen	126577
14.8 cm	17 Jun 2011	Woodwalton Fen	126577
14.8 cm	10 Jul 1991	Woodwalton Fen	29724

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
Woodwalton Fen	10 Jul 1991	28 Jun 2023	5
Speed The Plough Bridge	15 Jul 1994	10 Jun 1999	2

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

1991–2023

Survey records by year

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

191

092

093

194

095

096

097

098

299

000

001

002

003

004

005

106

007

008

009

010

111

012

013

014

015

016

017

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 154 measured fish were spread across different length ranges.

Smallest: 5.1 cm
Lower quarter: 7 cm
Median: 8.2 cm
Upper quarter: 9.7 cm
Largest: 33.3 cm

0–99 mm

119

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Great Raveley Drain

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

Bleak Perch Roach Silver bream Common bream Ruffe

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 →