RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Wye

Largest measured 3-spined stickleback: 6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Wye was 6 cm, recorded at Wycombe Marsh Mill on 3 March 2004.

Across 3 measured 3-spined stickleback, the median measured length was 5.5 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 Wye.

See 3-spined stickleback records across England →

Most recent observation19 March 2026Cores End
Largest measured 3-spined stickleback
6 cm
Median length
5.5 cm
Fish measured
3
Survey locations
9

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
6 cm3 Mar 2004Wycombe Marsh Mill79457
5.5 cm3 Mar 2004Wycombe Marsh Mill79457
5 cm3 Mar 2004Wycombe Marsh Mill79457

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
Cores End19 Mar 202619 Mar 20261
Kingsmead Rec Ground11 Mar 200418 Mar 20262
Fryers road rec ground18 Mar 202618 Mar 20261
Park Farm Road17 Mar 202617 Mar 20261
Upstream of gauging station off Abercromby Avenue19 Feb 201319 Feb 20131
Downstream Pann Mill - The Rye25 Mar 200425 Mar 20041
Wooburn Green M409 Mar 20049 Mar 20041
Wooburn Green9 Mar 20049 Mar 20041
Wycombe Marsh Mill3 Mar 20043 Mar 20041

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

2004–2026

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
5 cm
Lower quarter
5.3 cm
Median
5.5 cm
Upper quarter
5.8 cm
Largest
6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wye

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

Brown / sea trout Bullhead Perch 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 →