Rudd · Scardinius erythrophthalmus

Rudd in the River Nene (Old Course)

Largest measured rudd: 34.3 cm

The largest rudd measured in Environment Agency surveys of the River Nene (Old Course) was 34.3 cm, recorded at Saunders Bridge on 19 July 1991.

Across 534 measured rudd, the median measured length was 9.1 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Nene (Old Course).

See rudd records across England →

Most recent observation5 July 2023Staffurths Bridge · 230 fish

Largest measured rudd: 34.3 cm
Median length: 9.1 cm
Fish measured: 534
Survey locations: 9

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
34.3 cm	19 Jul 1991	Saunders Bridge	29689
31.3 cm	29 Jun 1999	Ramsey Mere	29708
31.3 cm	19 Jul 1991	Saunders Bridge	29689
30.8 cm	19 Jul 1991	Saunders Bridge	29689
29.8 cm	19 Jul 1991	Saunders Bridge	29689
28.6 cm	19 Jun 2017	Staffurths Bridge	150571
28.3 cm	7 Jun 1994	Saunders Bridge	29698
27.3 cm	15 Jun 1994	Staffurths Bridge	29703
23.3 cm	19 Jul 1991	Saunders Bridge	29689
23.1 cm	5 Jul 2023	Staffurths Bridge	162498

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
Staffurths Bridge	1 Sept 1987	5 Jul 2023	4
Badgeney Pumping Station	22 Jun 2017	22 Jun 2017	1
Benwick	26 Jul 1991	15 Jun 2017	4
March	2 Sept 1987	7 Jul 2011	6
Stokes Bridge	20 Aug 1987	27 Jun 2006	4
Floods Ferry	30 Jun 1999	30 Jun 1999	1
Ramsey Mere	15 Jul 1991	29 Jun 1999	3
Saunders Bridge	19 Jul 1991	15 Jun 1999	3
Four Hundred Farm	22 Jul 1991	22 Jul 1991	1

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

691

092

093

594

095

096

097

098

699

000

001

002

003

004

005

206

007

008

009

010

111

012

013

014

015

016

317

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 534 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 8 cm
Median: 9.1 cm
Upper quarter: 10.8 cm
Largest: 34.3 cm

0–99 mm

348

100–199 mm

170

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nene (Old Course)

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

Roach Perch Common bream Pike Silver 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 →