RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Bosham Stream

Largest measured 3-spined stickleback: 5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Bosham Stream was 5 cm, recorded at Heaver Farm Footbridge on 13 July 2007.

Across 11 measured 3-spined stickleback, the median measured length was 4.5 cm.

Surveyors recorded weights for 2 3-spined stickleback. The median was 0.1 oz (0.0015 kg) and the largest recorded weight was 0.1 oz (0.002 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Bosham Stream.

See 3-spined stickleback records across England →

Most recent observation11 June 2025Heaver Farm Footbridge · 6 fish
Largest measured 3-spined stickleback
5 cm
Median length
4.5 cm
Fish measured
11
Survey locations
2

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 cm13 Jul 2007Heaver Farm Footbridge107368
4.9 cm10 Jun 2025Southbrook Farm176893
4.8 cm11 Jun 2025Heaver Farm Footbridge176894
4.6 cm11 Jun 2025Heaver Farm Footbridge176894
4.6 cm10 Jun 2025Southbrook Farm176893
4.5 cm11 Jun 2025Heaver Farm Footbridge176894
4.4 cm13 Jul 2007Heaver Farm Footbridge107368
4 cm11 Jun 2025Heaver Farm Footbridge176894
4 cm11 Jun 2025Heaver Farm Footbridge176894
3.9 cm11 Jun 2025Heaver Farm Footbridge176894

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
Heaver Farm Footbridge13 Jul 200711 Jun 20253
Southbrook Farm8 May 201210 Jun 20253

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 11 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
4 cm
Median
4.5 cm
Upper quarter
4.7 cm
Largest
5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 2 3-spined stickleback. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0 oz (0.0012 kg)
Median
0.1 oz (0.0015 kg)
Upper quarter
0.1 oz (0.0018 kg)
Heaviest
0.1 oz (0.002 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Bosham Stream

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

Bullhead European eel

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 →