RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Alne

Largest measured 3-spined stickleback: 6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Alne was 6 cm, recorded at Oldberrow Brook, Henley-in-Arden on 11 June 1997.

Across 70 measured 3-spined stickleback, the median measured length was 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 Alne.

See 3-spined stickleback records across England →

Most recent observation26 June 2025Downstream Great Alne Road Bridge
Largest measured 3-spined stickleback
6 cm
Median length
4 cm
Fish measured
70
Survey locations
15

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 cm11 Jun 1997Oldberrow Brook, Henley-in-Arden52174
5.7 cm18 Jun 1997Kingswood Brook52177
5.5 cm11 Jun 1997u/s Henley-in-Arden51984
5.5 cm11 Sept 1991Lowsonford51996
5.4 cm2 Jul 2002Lowsonford51982
5.3 cm13 Jul 2001Little Alne23464
5.3 cm11 Jun 1997Oldberrow Brook, Henley-in-Arden52174
5.3 cm11 Sept 1991Lowsonford51996
5.1 cm18 Jun 1997Kingswood Brook52177
5.1 cm18 Jun 1997Kingswood Brook52177

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
Downstream Great Alne Road Bridge26 Jun 202526 Jun 20251
Blackford Mill27 Jul 201720 Jul 20232
Alcester Riverside21 Aug 201821 Aug 20181
Little Alne13 Jul 200125 Aug 20163
Wootton Wawen10 Oct 19897 Jun 20065
Great Alne Road Bridge16 Jul 200216 Jul 20021
Pennyford Hall18 Jun 199715 Jul 20022
u/s Henley-in-Arden11 Sept 19912 Jul 20023
Lowsonford11 Sept 19912 Jul 20023
Kinwarton15 Jul 199715 Jul 19971
Kingswood Brook18 Jun 199718 Jun 19971
Oldberrow Brook, Henley-in-Arden11 Sept 199111 Jun 19972
Claverdon Brook, Bearley11 Jun 199711 Jun 19971
Great Alne10 Sept 199121 May 19972
Pennyford Hall, d/s WRW discharge (new site 2a)10 Oct 198910 Oct 19891

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

1989–2025

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 70 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
3.3 cm
Median
4 cm
Upper quarter
4.5 cm
Largest
6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Alne

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

Dace Minnow Roach Stone loach European eel Gudgeon

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 →