RiverFish

10-spined stickleback · Pungitius pungitius

10-spined stickleback in the River Wensum (upper)

Largest measured 10-spined stickleback: 5.4 cm

The largest 10-spined stickleback measured in Environment Agency surveys of the River Wensum (upper) was 5.4 cm, recorded at Upstream Broomsthorpe Bridge on 15 April 2025.

Across 120 measured 10-spined stickleback, the median measured length was 4.2 cm.

Surveyors recorded one individual weight: 0 oz (0.001 kg).

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

See 10-spined stickleback records across England →

Most recent observation22 April 2025Tatterford Common · 1 fish
Largest measured 10-spined stickleback
5.4 cm
Median length
4.2 cm
Fish measured
120
Survey locations
8

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
5.4 cm15 Apr 2025Upstream Broomsthorpe Bridge177075
5.4 cm15 Apr 2025Upstream Broomsthorpe Bridge177075
5.4 cm15 Apr 2025Upstream Broomsthorpe Bridge177075
5.3 cm15 Apr 2025Upstream Broomsthorpe Bridge177075
5.3 cm16 Oct 2012Fakenham Common134360
5.2 cm15 Apr 2025Upstream Broomsthorpe Bridge177075
5.1 cm29 Apr 2022South Mill Farm160996
5 cm15 Apr 2025Upstream Broomsthorpe Bridge177075
5 cm10 Mar 2022Upstream Broomsthorpe Bridge160989
5 cm21 May 2003Tatterford Common76160

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
Tatterford Common25 Mar 199722 Apr 20255
Upstream Broomsthorpe Bridge8 Apr 199415 Apr 20256
South Mill Farm2 Apr 199729 Apr 20225
Hellhoughton Common10 Apr 19902 May 20143
Fakenham Common11 Sept 200316 Oct 20124
Upstream Sculthorpe Mill20 Apr 199428 Sept 20124
Upstream Fakenham Mill7 Apr 19977 Apr 19971
Downstream Doughton Bridge3 Apr 19973 Apr 19971

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

1990–2025

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 120 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
3.7 cm
Median
4.2 cm
Upper quarter
4.5 cm
Largest
5.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
0 oz (0.001 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Wensum (upper)

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

Brown / sea trout Stone loach Bullhead European eel 3-spined stickleback Brook lamprey

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 →