European eel · Anguilla anguilla

European eel in the Louth Canal

Largest measured european eel: 67.5 cm

The largest european eel measured in Environment Agency surveys of the Louth Canal was 67.5 cm, recorded at Tetney Lock on 13 May 2010.

Across 62 measured european eel, the median measured length was 32 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 european eel records across England →

Most recent observation14 May 2018Alvingham High Bridge · 9 fish

Largest measured european eel: 67.5 cm
Median length: 32 cm
Fish measured: 62
Survey locations: 7

Individual EA measurements

Largest measured european eel

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
67.5 cm	13 May 2010	Tetney Lock	121712
48.5 cm	11 May 2010	Alvingham High Bridge	121701
45.5 cm	9 Jun 2015	Alvingham High Bridge	145081
45.5 cm	11 May 2010	Alvingham High Bridge	121701
44 cm	11 May 2010	Alvingham High Bridge	121701
43 cm	9 Jun 2015	Alvingham High Bridge	145081
42.5 cm	14 May 2018	Alvingham High Bridge	152563
39.5 cm	9 Jun 2015	Alvingham High Bridge	145081
39.5 cm	26 Jul 2012	Alvingham High Bridge	132961
38.5 cm	26 Jul 2012	Alvingham High Bridge	132961

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where european eel were found

Each point marks a survey location with at least one european eel 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 european eel
Alvingham High Bridge	2 Jun 1986	14 May 2018	9
Thoresby Bridge	9 Jun 1986	17 Jun 2015	5
Tetney Lock	10 Jun 1986	9 Aug 2012	5
Keddington Corner	28 May 1986	24 May 1999	4
Austen Fen	13 Jun 1986	5 Sept 1995	3
Firebeacon	13 Jun 1986	9 Sept 1992	2
Covenham Reservoir Intake	12 Jun 1986	12 Jun 1986	1

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

1986–2018

Survey records by year

Each bar shows how many survey visits recorded european eel that year.

786

087

088

089

090

091

592

093

094

595

096

097

098

499

000

001

002

003

104

005

006

007

008

009

210

011

212

013

014

215

016

017

118

Fish measured by surveyors

Measured length distribution

See how the 62 measured fish were spread across different length ranges.

Smallest: 15.5 cm
Lower quarter: 28 cm
Median: 32 cm
Upper quarter: 35.9 cm
Largest: 67.5 cm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

600–699 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.

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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 →