RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Blyth (Headwaters)

Largest measured 3-spined stickleback: 5.9 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Blyth (Headwaters) was 5.9 cm, recorded at Heveningham on 6 March 2006.

Across 142 measured 3-spined stickleback, the median measured length was 4.2 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 (Headwaters).

See 3-spined stickleback records across England →

Most recent observation14 January 2013Huntingfield · 1 fish
Largest measured 3-spined stickleback
5.9 cm
Median length
4.2 cm
Fish measured
142
Survey locations
3

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
5.9 cm6 Mar 2006Heveningham90056
5.8 cm6 Mar 2006Heveningham90056
5.8 cm30 Apr 1998Grove Farm13474
5.8 cm30 Apr 1998Grove Farm13474
5.5 cm30 Apr 1998Grove Farm13474
5.5 cm30 Apr 1998Grove Farm13474
5.4 cm30 Apr 1998Grove Farm13474
5.3 cm6 Mar 2006Heveningham90056
5.2 cm30 Apr 1998Huntingfield13476
5.2 cm30 Apr 1998Heveningham13475

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
Huntingfield30 Apr 199814 Jan 20133
Heveningham30 Apr 199814 Jan 20133
Grove Farm30 Apr 199830 Apr 19981

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

1998–2013

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 142 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
3.8 cm
Median
4.2 cm
Upper quarter
4.6 cm
Largest
5.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blyth (Headwaters)

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

10-spined stickleback European eel

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 →