RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Boveney

Largest measured 3-spined stickleback: 3.6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Boveney was 3.6 cm, recorded at Boveney Downstream Fry on 22 August 2017.

Across 15 measured 3-spined stickleback, the median measured length was 2.4 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 Boveney.

See 3-spined stickleback records across England →

Most recent observation4 September 2025Boveney Downstream Fry · 4 fish
Largest measured 3-spined stickleback
3.6 cm
Median length
2.4 cm
Fish measured
15
Survey locations
2

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
3.6 cm22 Aug 2017Boveney Downstream Fry151489
3.3 cm24 Aug 2011Boveney Upstream Fry130082
3.1 cm21 Aug 2024Boveney Upstream Fry166603
2.8 cm21 Aug 2024Boveney Downstream Fry166607
2.8 cm21 Aug 2024Boveney Upstream Fry166603
2.6 cm21 Aug 2024Boveney Downstream Fry166607
2.5 cm21 Aug 2024Boveney Downstream Fry166607
2.4 cm21 Aug 2024Boveney Upstream Fry166603
2.4 cm21 Aug 2024Boveney Upstream Fry166603
2.4 cm21 Aug 2024Boveney Upstream Fry166603

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
Boveney Downstream Fry8 Sept 20044 Sept 20254
Boveney Upstream Fry8 Sept 200421 Aug 20243

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

2004–2025

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 15 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
2.3 cm
Median
2.4 cm
Upper quarter
2.8 cm
Largest
3.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Boveney

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

Gudgeon Chub Dace Roach Bleak Minnow

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 →