RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the West Sedgemoor Main Drain Catchment

Largest measured 3-spined stickleback: 5.8 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the West Sedgemoor Main Drain Catchment was 5.8 cm, recorded at Stathe on 17 October 2013.

Across 117 measured 3-spined stickleback, the median measured length was 3.3 cm.

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

See 3-spined stickleback records across England →

Most recent observation1 June 2016Stathe · 28 fish
Largest measured 3-spined stickleback
5.8 cm
Median length
3.3 cm
Fish measured
117
Survey locations
2

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.

LengthSurvey dateSurvey locationSurvey ID
5.8 cm17 Oct 2013Stathe139579
5.4 cm1 Jun 2016Stathe148114
5 cm1 Jun 2016Stathe148114
5 cm11 Apr 2012Listock131173
5 cm11 Apr 2012Listock131173
4.5 cm11 Apr 2012Listock131173
4.4 cm11 Apr 2012Listock131173
4.4 cm11 Apr 2012Listock131173
4.4 cm11 Apr 2012Listock131173
4.4 cm11 Apr 2012Listock131173

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 surveyedFirst recordedLast recordedVisits finding 3-spined stickleback
Stathe23 Jun 20101 Jun 20166
Listock11 Apr 201211 Apr 20121

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

2010–2016

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 117 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
2.4 cm
Median
3.3 cm
Upper quarter
3.8 cm
Largest
5.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the West Sedgemoor Main Drain Catchment

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

Gudgeon Motherless minnow / Sunbleak Roach Tench Pike Rudd

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 →