Rudd · Scardinius erythrophthalmus

Rudd in the Counter Drain

Largest measured rudd: 21.8 cm

The largest rudd measured in Environment Agency surveys of the Counter Drain was 21.8 cm, recorded at Welches on 28 March 1988.

Across 614 measured rudd, the median measured length was 7.8 cm.

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

See rudd records across England →

Most recent observation10 June 2026Welney · 8 fish

Largest measured rudd: 21.8 cm
Median length: 7.8 cm
Fish measured: 614
Survey locations: 8

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
21.8 cm	28 Mar 1988	Welches	29626
20.8 cm	20 May 1997	Welney	29646
18.8 cm	23 May 1997	Vandervells Lake	29645
18.8 cm	7 Apr 1993	Mepal	29634
18.1 cm	21 Mar 2014	Welches	140535
17.8 cm	20 May 1997	Welney	29646
17.8 cm	14 May 1997	Salters Lode	29648
17.3 cm	23 May 1997	Vandervells Lake	29645
16.8 cm	14 May 1997	Salters Lode	29648
16.6 cm	27 Mar 2014	Welney	140572

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
Welney	20 Apr 1988	10 Jun 2026	11
Vandervells Lake	23 May 1997	11 Mar 2026	7
Welches	28 Mar 1988	10 Mar 2026	11
Salters Lode	22 Apr 1993	22 Mar 2023	8
Mepal	25 Mar 1988	15 Mar 2023	9
Sutton Gault	24 Mar 1988	3 Apr 2014	3
DS Welney	21 Apr 1988	16 May 2008	4
Black Sluice	12 May 1997	12 May 1997	1

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

1988–2026

Survey records by year

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

588

089

090

091

092

693

094

095

096

797

098

099

000

001

002

403

404

005

006

007

608

009

010

411

012

013

614

015

016

517

018

019

020

021

022

423

024

025

326

Fish measured by surveyors

Measured length distribution

See how the 614 measured fish were spread across different length ranges.

Smallest: 4.8 cm
Lower quarter: 7.3 cm
Median: 7.8 cm
Upper quarter: 8.8 cm
Largest: 21.8 cm

0–99 mm

514

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Counter Drain

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

Spined loach Perch Pike Roach Common bream Tench

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 →