RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Blyth

Largest measured 3-spined stickleback: 5.8 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Blyth was 5.8 cm, recorded at River Blyth at Thornyford on 12 October 2008.

Across 5 measured 3-spined stickleback, the median measured length was 4 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 Blyth.

See 3-spined stickleback records across England →

Most recent observation10 July 2024How Burn at Whiteside
Largest measured 3-spined stickleback
5.8 cm
Median length
4 cm
Fish measured
5
Survey locations
10

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
5.8 cm12 Oct 2008River Blyth at Thornyford115454
4.3 cm12 Oct 2008River Blyth at Thornyford115454
4 cm12 Oct 2008River Blyth at Thornyford115454
3.7 cm12 Oct 2008River Blyth at Thornyford115454
2.2 cm12 Oct 2008River Blyth at Thornyford115454

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
How Burn at Whiteside10 Jul 202410 Jul 20241
River Blyth at Plessey Farm2 Aug 20108 Jun 20225
River Blyth at Humford Mill4 Jul 20118 Jun 20224
River Blyth at Thornyford19 Jul 200527 Jun 20164
Cadgers Burn at Kirkley Hall4 Jul 20144 Jul 20141
River Blyth at Bellasis Bridge20 Oct 199326 Jul 20132
River Blyth at Shilvington Bridge2 Aug 20122 Aug 20121
River Blyth at Stannington Bridge1 Aug 20121 Aug 20121
Catraw Burn1 Aug 20121 Aug 20121
River Blyth at Howburn Bridge (WFD Site)22 Sept 20054 Jul 20112

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

1993–2024

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 5 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
3.7 cm
Median
4 cm
Upper quarter
4.3 cm
Largest
5.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blyth

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

Stone loach Brown / sea trout Minnow European eel Grayling 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 →