RiverFish

10-spined stickleback · Pungitius pungitius

10-spined stickleback in the River Tas

Largest measured 10-spined stickleback: 5.5 cm

The largest 10-spined stickleback measured in Environment Agency surveys of the River Tas was 5.5 cm, recorded at Downstream Forncett Street on 13 April 2016.

Across 32 measured 10-spined stickleback, the median measured length was 4.5 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 Tas.

See 10-spined stickleback records across England →

Most recent observation2 April 2026Tasburgh Mill Farm · 1 fish
Largest measured 10-spined stickleback
5.5 cm
Median length
4.5 cm
Fish measured
32
Survey locations
6

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
5.5 cm13 Apr 2016Downstream Forncett Street148204
5.3 cm6 Oct 1992Flordon Common17383
5.2 cm12 Apr 2010Downstream Forncett Street121451
5 cm2 Apr 2024Flordon Common164594
5 cm13 Apr 2016Downstream Forncett Street148204
5 cm8 May 2013Downstream Stoke Mill135975
5 cm22 Apr 2013Tasburgh Mill Farm135882
4.9 cm2 Apr 2026Tasburgh Mill Farm180872
4.9 cm2 May 2024Downstream Stoke Mill166211
4.9 cm5 May 2022Markshall Bridge160997

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
Tasburgh Mill Farm22 Apr 20132 Apr 20263
Downstream Stoke Mill19 Apr 20052 May 20244
Flordon Common6 Oct 19922 Apr 20244
Markshall Bridge5 May 20225 May 20221
Downstream Forncett Street11 Apr 200519 Apr 20225
Upstream Hempnall Beck22 Apr 200522 Apr 20051

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

1992–2026

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 32 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
3.9 cm
Median
4.5 cm
Upper quarter
4.9 cm
Largest
5.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tas

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

European eel Stone loach Roach Bullhead Dace Pike

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 →