Rudd · Scardinius erythrophthalmus

Rudd in the Whittlesey Dyke

Largest measured rudd: 33 cm

The largest rudd measured in Environment Agency surveys of the Whittlesey Dyke was 33 cm, recorded at Ashline Lock on 12 July 2023.

Across 129 measured rudd, the median measured length was 9.3 cm.

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

See rudd records across England →

Most recent observation12 July 2023Ashline Lock · 12 fish

Largest measured rudd: 33 cm
Median length: 9.3 cm
Fish measured: 129
Survey locations: 4

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 cm	12 Jul 2023	Ashline Lock	162562
31.5 cm	12 Jul 2023	Ashline Lock	162562
29.6 cm	6 Jul 2023	Engine Farm	162499
28.5 cm	6 Jul 2023	Engine Farm	162499
28.5 cm	6 Jul 2023	Engine Farm	162499
27.9 cm	28 Jun 2017	Engine Farm	150707
27.4 cm	6 Jul 2023	Engine Farm	162499
27.3 cm	28 Jun 1991	Engine Farm	29759
27 cm	6 Jul 2023	Engine Farm	162499
26.8 cm	12 Jul 2023	Ashline Lock	162562

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
Ashline Lock	26 Jun 1991	12 Jul 2023	4
Engine Farm	1 Jun 1987	6 Jul 2023	5
Burnthouse Bridge	5 Jun 1987	12 Jun 2006	5
Angle Corner Bridge	21 May 1987	3 Jun 1999	4

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

1987–2023

Survey records by year

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

387

088

089

090

491

092

093

394

095

096

097

098

399

000

001

002

003

004

005

206

007

008

009

010

011

012

013

014

015

016

117

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 129 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 8.3 cm
Median: 9.3 cm
Upper quarter: 13.8 cm
Largest: 33 cm

0–99 mm

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 Whittlesey Dyke

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

Common bream Perch Pike Roach Tench Silver bream

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 →