RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Eyebrook

Largest measured 3-spined stickleback: 7 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Eyebrook was 7 cm, recorded at Downstream Eyebrook Reservoir on 18 March 1993.

Across 3 measured 3-spined stickleback, the median measured length was 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 Eyebrook.

See 3-spined stickleback records across England →

Most recent observation8 April 2026Stockerston Road Bridge · 1 fish
Largest measured 3-spined stickleback
7 cm
Median length
5 cm
Fish measured
3
Survey locations
4

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
7 cm18 Mar 1993Downstream Eyebrook Reservoir54555
5 cm18 May 2000Downstream Eyebrook Reservoir73035
4.2 cm8 Apr 2026Stockerston Road Bridge180891

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
Stockerston Road Bridge1 Jun 20118 Apr 20264
Downstream Eyebrook Reservoir18 Mar 19938 Sept 20225
East Norton Downstream R/B15 Jun 201115 Jun 20111
Loddington Mill Downstream16 Sept 201016 Sept 20101

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

1993–2026

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 3 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
4.6 cm
Median
5 cm
Upper quarter
6 cm
Largest
7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Eyebrook

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

Bullhead Brown / sea trout Minnow Stone loach Dace Roach

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 →