RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Wandle

Largest measured 3-spined stickleback: 7.8 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Wandle was 7.8 cm, recorded at Sainsburys Merton on 1 July 2015.

Across 60 measured 3-spined stickleback, the median measured length was 3.8 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 Wandle.

See 3-spined stickleback records across England →

Most recent observation8 October 2025Watermeads Lane · 1 fish
Largest measured 3-spined stickleback
7.8 cm
Median length
3.8 cm
Fish measured
60
Survey locations
17

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
7.8 cm1 Jul 2015Sainsburys Merton145446
6.8 cm7 Jul 2021Church Road160154
6 cm23 Jun 2015Watermeads Lane145180
5.8 cm20 Jun 2017Hackbridge150616
5.6 cm7 Jul 2021Church Road160154
5.6 cm23 Jun 2015Watermeads Lane145180
5.5 cm23 Jun 2015Hackbridge145177
5.4 cm7 Jul 2021Church Road160154
5.3 cm5 Jul 2023Butterhill162617
5.2 cm7 Jul 2021Church Road160154

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
Watermeads Lane1 Mar 19948 Oct 20254
Hackbridge21 Jul 19888 Oct 202512
Butterhill21 Jun 19892 Oct 202510
Sainsburys Merton8 Jun 20111 Oct 20254
Ravensbury Park22 Jul 198830 Sept 20256
Church Road14 Jul 19895 Jul 202313
Mapleton Road14 Jun 201127 Jun 20192
Phipps Bridge12 Jun 200926 Jul 20173
King George Park27 Jul 198811 Jun 20133
Upstream Beddington Park Lake14 Mar 201214 Mar 20121
Guy Road14 Mar 201214 Mar 20121
Downstream Beddington Park Lake14 Mar 201214 Mar 20121
Corbet Close22 Oct 200822 Oct 20081
North road, Colliers Wood27 Jul 198929 Mar 19942
Beddington Park1 Mar 19941 Mar 19941
Aldwick Road, Croydon29 Jun 198929 Jun 19891
Goat Bridge, Beddington22 Jul 198822 Jul 19881

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

1988–2025

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 60 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
2.6 cm
Median
3.8 cm
Upper quarter
4.9 cm
Largest
7.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wandle

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

Stone loach European eel Chub Roach Dace Bullhead

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 →