Rudd · Scardinius erythrophthalmus

Rudd in the Louth Canal

Largest measured rudd: 13.2 cm

The largest rudd measured in Environment Agency surveys of the Louth Canal was 13.2 cm, recorded at Tetney Lock on 22 June 2015.

Across 25 measured rudd, the median measured length was 8.4 cm.

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

See rudd records across England →

Most recent observation15 May 2018Tetney Lock · 4 fish

Largest measured rudd: 13.2 cm
Median length: 8.4 cm
Fish measured: 25
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
13.2 cm	22 Jun 2015	Tetney Lock	145504
12.3 cm	15 Jun 1999	Alvingham High Bridge	58057
11.4 cm	15 Jun 1999	Alvingham High Bridge	58057
11.2 cm	15 Jun 1999	Alvingham High Bridge	58057
10.7 cm	7 Sept 1995	Thoresby Bridge	58046
10.3 cm	15 Jun 1999	Alvingham High Bridge	58057
10.2 cm	15 May 2018	Tetney Lock	152629
10.1 cm	16 Jun 1999	Thoresby Bridge	58060
9.7 cm	22 Jun 2015	Tetney Lock	145504
9.4 cm	22 Jun 2015	Tetney Lock	145504

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
Tetney Lock	22 Jun 2015	15 May 2018	2
Thoresby Bridge	7 Sept 1995	16 Jun 1999	2
Alvingham High Bridge	15 Jun 1999	15 Jun 1999	1
Firebeacon	6 Sept 1995	6 Sept 1995	1

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

1995–2018

Survey records by year

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

295

096

097

098

299

000

001

002

003

004

005

006

007

008

009

010

011

012

013

014

115

016

017

118

Fish measured by surveyors

Measured length distribution

See how the 25 measured fish were spread across different length ranges.

Smallest: 4.7 cm
Lower quarter: 7.3 cm
Median: 8.4 cm
Upper quarter: 10.2 cm
Largest: 13.2 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Louth Canal

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

Roach European eel 3-spined stickleback Gudgeon Perch Pike

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 →