3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Westwick water course

Largest measured 3-spined stickleback: 5.7 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Westwick water course was 5.7 cm, recorded at Swanton Abbott , Aylsham Road bridge d/s on 7 January 2004.

Across 73 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 Westwick water course.

See 3-spined stickleback records across England →

Most recent observation23 March 2016Brampton , Stake Bridge d/s · 28 fish

Largest measured 3-spined stickleback: 5.7 cm
Median length: 3.5 cm
Fish measured: 73
Survey locations: 3

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
5.7 cm	7 Jan 2004	Swanton Abbott , Aylsham Road bridge d/s	99998
5.6 cm	23 Mar 2016	Brampton , Stake Bridge d/s	148128
5.2 cm	21 Jan 2010	Brampton , Stake Bridge d/s	121193
4.7 cm	23 Mar 2016	Brampton , Stake Bridge d/s	148128
4.6 cm	23 Mar 2016	Brampton , Stake Bridge d/s	148128
4.6 cm	21 Jan 2010	Brampton , Stake Bridge d/s	121193
4.6 cm	9 Jan 2004	Swanton Abbott , Low Common bridge d/s	99997
4.5 cm	23 Mar 2016	Brampton , Stake Bridge d/s	148128
4.4 cm	23 Mar 2016	Brampton , Stake Bridge d/s	148128
4.4 cm	23 Mar 2016	Brampton , Stake Bridge d/s	148128

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
Brampton , Stake Bridge d/s	9 Jan 2004	23 Mar 2016	3
Swanton Abbott , Low Common bridge d/s	9 Jan 2004	25 Jan 2010	2
Swanton Abbott , Aylsham Road bridge d/s	7 Jan 2004	7 Jan 2004	1

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

2004–2016

Survey records by year

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

304

005

006

007

008

009

210

011

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 73 measured fish were spread across different length ranges.

Smallest: 2.1 cm
Lower quarter: 3 cm
Median: 3.5 cm
Upper quarter: 4.2 cm
Largest: 5.7 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Westwick water course

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

Dace 10-spined stickleback Stone loach

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 →