RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Cliveden

Largest measured 3-spined stickleback: 3.6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Cliveden was 3.6 cm, recorded at Cliveden Downstream Fry on 4 September 2025.

Across 65 measured 3-spined stickleback, the median measured length was 2.6 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 Cliveden.

See 3-spined stickleback records across England →

Most recent observation4 September 2025Cliveden Upstream Fry · 1 fish
Largest measured 3-spined stickleback
3.6 cm
Median length
2.6 cm
Fish measured
65
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 cm4 Sept 2025Cliveden Downstream Fry178513
3.6 cm4 Sept 2025Cliveden Downstream Fry178513
3.5 cm17 Aug 2010Cliveden Downstream Fry124361
3.2 cm24 Aug 2017Cliveden Downstream Fry151484
3.2 cm24 Aug 2017Cliveden Downstream Fry151484
3.2 cm22 Aug 2016Cliveden Downstream Fry149223
3.2 cm31 Aug 2006Cliveden Downstream Fry111829
3.1 cm22 Aug 2024Cliveden Downstream Fry166462
3 cm22 Aug 2024Cliveden Downstream Fry166462
3 cm23 Aug 2011Cliveden Downstream Fry130060

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
Cliveden Upstream Fry31 Aug 20064 Sept 20253
Cliveden Downstream Fry31 Aug 20064 Sept 20258

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

2006–2025

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 65 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
2.3 cm
Median
2.6 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 Cliveden

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

Minnow Chub Gudgeon Roach Dace Perch

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 →