RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Cary

Largest measured 3-spined stickleback: 6.7 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Cary was 6.7 cm, recorded at Perry's Bridge on 22 May 2019.

Across 220 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 River Cary.

See 3-spined stickleback records across England →

Most recent observation5 June 2025Cradle Bridge
Largest measured 3-spined stickleback
6.7 cm
Median length
3.5 cm
Fish measured
220
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.

LengthSurvey dateSurvey locationSurvey ID
6.7 cm22 May 2019Perry's Bridge154502
6 cm22 May 2019Perry's Bridge154502
6 cm22 May 2019Perry's Bridge154502
6 cm14 Sept 2017Perry's Bridge151618
5.8 cm22 May 2019Perry's Bridge154502
5.8 cm14 Sept 2017Perry's Bridge151618
5.8 cm11 Oct 2012Perry's Bridge134457
5.7 cm16 Apr 2019Somerton Door154411
5.7 cm14 Sept 2017Perry's Bridge151618
5.7 cm11 Oct 2012Perry's Bridge134457

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
Cradle Bridge8 Oct 20035 Jun 20255
Perry's Bridge11 Oct 201222 May 20193
Cary Bridge30 Apr 201930 Apr 20191
Somerton Door3 Aug 200616 Apr 20195
D/s Somerton STW10 Apr 201910 Apr 20191

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 220 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
2.8 cm
Median
3.5 cm
Upper quarter
4.5 cm
Largest
6.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Cary

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

Roach Minnow Pike Dace European eel 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 →