3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Leam

Largest measured 3-spined stickleback: 8.6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Leam was 8.6 cm, recorded at Hunningham, d/s the Mill on 2 August 1994.

Across 42 measured 3-spined stickleback, the median measured length was 3.6 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 Leam.

See 3-spined stickleback records across England →

Most recent observation25 May 2023Offchurch Fields Farm, u/s mill to confluence
Largest measured 3-spined stickleback
8.6 cm
Median length
3.6 cm
Fish measured
42
Survey locations
13

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
8.6 cm2 Aug 1994Hunningham, d/s the Mill24846
4.9 cm18 Oct 1990Prince Drive Weir to Foot Bridge Weir.23865
4.6 cm10 May 2016Manor Farm, Kites Hardwicke148285
4.6 cm8 Aug 1995Daventry Road75039
4.2 cm10 May 2016Manor Farm, Kites Hardwicke148285
4.2 cm10 May 2016Manor Farm, Kites Hardwicke148285
4.2 cm10 May 2016u/s Marton148290
4.1 cm10 May 2016Manor Farm, Kites Hardwicke148285
4.1 cm10 May 2016u/s Marton148290
4 cm10 May 2016Manor Farm, Kites Hardwicke148285

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
Offchurch Fields Farm, u/s mill to confluence17 May 201625 May 20233
u/s Marton10 May 20164 May 20234
Eathorpe19 Sept 19904 May 20235
Redhouse Farm5 Jun 20185 Jun 20181
Manor Farm, Kites Hardwicke4 Aug 199410 May 20162
Offchurch12 Nov 200912 Nov 20091
Red Lion, Hunningham13 Nov 19867 Jun 20054
Hunningham, d/s the Mill2 Aug 19949 Jul 20023
Wolfhampcote20 May 199920 May 19991
Sawbridge13 Nov 19868 Aug 19952
Daventry Road8 Aug 19958 Aug 19951
Prince Drive Weir to Foot Bridge Weir.18 Oct 199018 Oct 19901
Marton13 Nov 198613 Nov 19861

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

1986–2023

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 42 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
2.8 cm
Median
3.7 cm
Upper quarter
4 cm
Largest
8.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Leam

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

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 →