RiverFish

10-spined stickleback · Pungitius pungitius

10-spined stickleback in the River Purwell

Largest measured 10-spined stickleback: 6.3 cm

The largest 10-spined stickleback measured in Environment Agency surveys of the River Purwell was 6.3 cm, recorded at Purwell Common on 22 October 1997.

Across 23 measured 10-spined stickleback, the median measured length was 4.3 cm.

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

See 10-spined stickleback records across England →

Most recent observation13 April 2016Walsworth Common · 8 fish
Largest measured 10-spined stickleback
6.3 cm
Median length
4.3 cm
Fish measured
23
Survey locations
4

Individual EA measurements

Largest measured 10-spined stickleback

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
6.3 cm22 Oct 1997Purwell Common29311
5.8 cm22 Oct 1997Purwell Common29311
5.4 cm13 Apr 2016Walsworth Common147935
5.3 cm22 Oct 1997Purwell Common29311
5.2 cm13 Apr 2016Walsworth Common147935
4.9 cm13 Apr 2016Walsworth Common147935
4.8 cm13 Apr 2016Walsworth Common147935
4.8 cm22 Oct 1997Purwell Common29311
4.8 cm22 Oct 1997Purwell Common29311
4.6 cm26 Mar 2014Walsworth Common140546

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where 10-spined stickleback were found

Each point marks a survey location with at least one 10-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 10-spined stickleback
Walsworth Common26 Mar 201413 Apr 20162
US Walsworth Common26 Mar 201426 Mar 20141
DS Walsworth Common26 Mar 201426 Mar 20141
Purwell Common22 Oct 199723 Oct 19982

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

1997–2016

Survey records by year

Each bar shows how many survey visits recorded 10-spined stickleback that year.

Fish measured by surveyors

Measured length distribution

See how the 23 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
3.7 cm
Median
4.3 cm
Upper quarter
4.9 cm
Largest
6.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Purwell

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

3-spined stickleback Bullhead Perch

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 →