3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Main River Tone

Largest measured 3-spined stickleback: 4.9 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Main River Tone was 4.9 cm, recorded at Ash Farm (Salmon Project) on 11 May 2017.

Across 11 measured 3-spined stickleback, the median measured length was 4.2 cm.

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

See 3-spined stickleback records across England →

Most recent observation5 September 2019Bathpool

Largest measured 3-spined stickleback: 4.9 cm
Median length: 4.2 cm
Fish measured: 11
Survey locations: 6

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
4.9 cm	11 May 2017	Ash Farm (Salmon Project)	150393
4.9 cm	4 May 2011	Ash Farm (Salmon Project)	126155
4.7 cm	11 May 2017	Ash Farm (Salmon Project)	150393
4.7 cm	4 May 2011	Bulland Lodge	126154
4.4 cm	11 May 2017	Ash Farm (Salmon Project)	150393
4.2 cm	4 May 2011	Bulland Lodge	126154
4.1 cm	11 May 2017	Ash Farm (Salmon Project)	150393
4.1 cm	4 May 2011	Bulland Lodge	126154
4 cm	4 May 2011	Bulland Lodge	126154
3.7 cm	4 May 2011	Bulland Lodge	126154

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
Bathpool	28 Jul 2011	5 Sept 2019	4
Ash Farm (Salmon Project)	4 May 2011	11 May 2017	2
Bulland Lodge	21 May 2009	4 May 2011	2
Roughmoor (Te)	9 Oct 2003	9 Oct 2003	1
Priorswood (Te)	11 Sept 2003	11 Sept 2003	1
Upstream Tracebridge	4 Sept 1992	4 Sept 1992	1

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

1992–2019

Survey records by year

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

192

093

094

095

096

097

098

099

000

001

002

203

004

005

006

007

008

109

010

311

012

113

014

015

016

217

018

119

Fish measured by surveyors

Measured length distribution

See how the 11 measured fish were spread across different length ranges.

Smallest: 3.2 cm
Lower quarter: 4.1 cm
Median: 4.2 cm
Upper quarter: 4.7 cm
Largest: 4.9 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Tone

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

Brown / sea trout Bullhead European eel Stone loach Minnow Atlantic salmon

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 →