3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Louth Canal

Largest measured 3-spined stickleback: 7.1 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Louth Canal was 7.1 cm, recorded at Alvingham High Bridge on 2 June 1986.

Across 230 measured 3-spined stickleback, the median measured length was 4.4 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 3-spined stickleback records across England →

Most recent observation15 May 2018Tetney Lock

Largest measured 3-spined stickleback: 7.1 cm
Median length: 4.4 cm
Fish measured: 230
Survey locations: 7

Individual EA measurements

Largest measured 3-spined stickleback

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
7.1 cm	2 Jun 1986	Alvingham High Bridge	58016
7 cm	11 May 2010	Alvingham High Bridge	121701
6.8 cm	22 Jun 1992	Keddington Corner	58029
6.7 cm	2 Jun 1986	Alvingham High Bridge	58016
6.5 cm	23 Jun 1992	Brian Halls Mill	58028
6.3 cm	23 Jun 1992	Brian Halls Mill	58028
6.2 cm	12 May 2010	Firebeacon	124151
6.2 cm	16 Jun 1999	Thoresby Bridge	58060
6.2 cm	22 Jun 1992	Keddington Corner	58029
6.2 cm	10 Jun 1986	Tetney Lock	58021

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

Explore the river

Where 3-spined stickleback were found

Each point marks a survey location with at least one 3-spined stickleback 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 3-spined stickleback
Tetney Lock	10 Jun 1986	15 May 2018	4
Alvingham High Bridge	2 Jun 1986	14 May 2018	7
Keddington Corner	22 Jun 1992	25 Jun 2015	4
Firebeacon	6 Sept 1995	3 Oct 2012	3
Thoresby Bridge	10 Sept 1992	16 Jun 1999	2
Brian Halls Mill	23 Jun 1992	24 May 1999	2
Austen Fen	5 Sept 1995	5 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.

1986–2018

Survey records by year

Each bar shows how many survey visits recorded 3-spined stickleback that year.

286

087

088

089

090

091

492

093

094

495

096

097

098

499

000

001

002

003

004

005

006

007

008

009

210

011

312

013

014

215

016

017

218

Fish measured by surveyors

Measured length distribution

See how the 230 measured fish were spread across different length ranges.

Smallest: 1.9 cm
Lower quarter: 3.8 cm
Median: 4.4 cm
Upper quarter: 5 cm
Largest: 7.1 cm

0–99 mm

230

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 Gudgeon Perch Pike Dace

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 →