3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the North Level Main Drain

Largest measured 3-spined stickleback: 5.5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the North Level Main Drain was 5.5 cm, recorded at Murrow on 19 May 1994.

Across 371 measured 3-spined stickleback, the median measured length was 3.5 cm.

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

See 3-spined stickleback records across England →

Most recent observation8 April 2019Parsons Drove

Largest measured 3-spined stickleback: 5.5 cm
Median length: 3.5 cm
Fish measured: 371
Survey locations: 5

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
5.5 cm	19 May 1994	Murrow	54625
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635
4 cm	22 Apr 1997	Murrow	54635

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
Parsons Drove	28 May 2002	8 Apr 2019	7
Downstream Clough's Cross	13 Apr 2016	13 Apr 2016	1
Upstream Newton Road Bridge	6 Jun 2001	8 Apr 2008	2
Murrow - New Wryde Drove Drain	7 Jun 2001	7 Jun 2001	1
Murrow	19 May 1994	22 Apr 1997	2

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

1994–2019

Survey records by year

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

194

095

096

197

098

099

000

201

102

003

104

005

106

107

208

009

010

011

012

013

014

015

216

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 371 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 3.5 cm
Median: 3.5 cm
Upper quarter: 3.5 cm
Largest: 5.5 cm

0–99 mm

371

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the North Level Main Drain

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

Roach Pike Perch Common bream Rudd Gudgeon

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 →