RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Hamble

Largest measured 3-spined stickleback: 5.2 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Hamble was 5.2 cm, recorded at Durley Mill on 1 June 2007.

Across 9 measured 3-spined stickleback, the median measured length was 3 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 Hamble.

See 3-spined stickleback records across England →

Most recent observation18 June 2025Durley Mill · 1 fish
Largest measured 3-spined stickleback
5.2 cm
Median length
3 cm
Fish measured
9
Survey locations
4

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
5.2 cm1 Jun 2007Durley Mill105565
4.5 cm21 Jul 2008Tangier Farm112458
3.2 cm21 Jul 2008Tangier Farm112458
3.2 cm21 Jul 2008Tangier Farm112458
3 cm21 Jul 2008Tangier Farm112458
2.7 cm21 Jul 2008Tangier Farm112458
2.7 cm21 Jul 2008Tangier Farm112458
2.4 cm21 Jul 2008Tangier Farm112458
1.7 cm21 Jul 2008Brooklands Farm113128

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
Durley Mill1 Jun 200718 Jun 20252
Tangier Farm21 Jul 20082 Aug 20213
Frog Mill16 May 201316 May 20131
Brooklands Farm21 Jul 20089 May 20132

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

2007–2025

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 9 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
2.7 cm
Median
3 cm
Upper quarter
3.2 cm
Largest
5.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hamble

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

Brown / sea trout European eel Bullhead Grayling Brook lamprey 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 →