RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Stort

Largest measured 3-spined stickleback: 6.6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Stort was 6.6 cm, recorded at Grange Paddocks on 26 September 2005.

Across 46 measured 3-spined stickleback, the median measured length was 3.6 cm.

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

See 3-spined stickleback records across England →

Most recent observation19 August 2025Grange Paddocks
Largest measured 3-spined stickleback
6.6 cm
Median length
3.6 cm
Fish measured
46
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.

LengthSurvey dateSurvey locationSurvey ID
6.6 cm26 Sept 2005Grange Paddocks86432
6.2 cm29 Aug 2008Grange Paddocks113588
6.2 cm26 Sept 2005Grange Paddocks86432
5.9 cm29 Aug 2008Grange Paddocks113588
5.8 cm26 Sept 2005Grange Paddocks86432
5.6 cm29 Aug 2008Grange Paddocks113588
5.6 cm29 Aug 2008Grange Paddocks113588
5.6 cm29 Aug 2008Grange Paddocks113588
5.5 cm29 Aug 2008Grange Paddocks113588
5.5 cm23 Sept 2004Grange Paddocks82618

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
Grange Paddocks7 Oct 200319 Aug 202510
Tednambury Mill (Little Hallingbury Mill)29 Sept 200415 Aug 20143
Eastwick Loop30 Apr 200930 Apr 20091

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

2003–2025

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 46 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
3.3 cm
Median
3.7 cm
Upper quarter
5.4 cm
Largest
6.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Stort

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

Dace Chub Bullhead Pike Roach Minnow

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 →