Rudd · Scardinius erythrophthalmus

Rudd in the Lee Navigation

Largest measured rudd: 17.5 cm

The largest rudd measured in Environment Agency surveys of the Lee Navigation was 17.5 cm, recorded at Picketts Lock on 9 July 2024.

Across 7 measured rudd, the median measured length was 11.5 cm.

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

See rudd records across England →

Most recent observation13 August 2024Enfield Lock · 1 fish

Largest measured rudd: 17.5 cm
Median length: 11.5 cm
Fish measured: 7
Survey locations: 5

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
17.5 cm	9 Jul 2024	Picketts Lock	166554
16.8 cm	22 Nov 1978	Waltham Abbey Marsh	116732
11.5 cm	12 Oct 2007	Dobbs Weir	107965
11.5 cm	19 Jan 1993	Ponders End	116682
11.1 cm	12 Oct 2007	Dobbs Weir	107965
9.4 cm	13 Aug 2024	Enfield Lock	166572
7.4 cm	8 Sept 2006	Picketts Lock	101518

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
Enfield Lock	13 Aug 2024	13 Aug 2024	1
Picketts Lock	8 Sept 2006	9 Jul 2024	2
Dobbs Weir	12 Oct 2007	12 Oct 2007	1
Ponders End	19 Jan 1993	19 Jan 1993	1
Waltham Abbey Marsh	22 Nov 1978	22 Nov 1978	1

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

1978–2024

Survey records by year

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

178

079

080

081

082

083

084

085

086

087

088

089

090

091

092

193

094

095

096

097

098

099

000

001

002

003

004

005

106

107

008

009

010

011

012

013

014

015

016

017

018

019

020

021

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 7 measured fish were spread across different length ranges.

Smallest: 7.4 cm
Lower quarter: 10.3 cm
Median: 11.5 cm
Upper quarter: 14.2 cm
Largest: 17.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Lee Navigation

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

Roach Perch Pike Chub Bleak 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 →