RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Adur West Arm

Largest measured 3-spined stickleback: 7.5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Adur West Arm was 7.5 cm, recorded at Slaughter Bridge on 7 August 2006.

Across 131 measured 3-spined stickleback, the median measured length was 4.6 cm.

Surveyors recorded weights for 130 3-spined stickleback. The median was 0 oz (0.001 kg) and the largest recorded weight was 0.1 oz (0.004 kg).

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

See 3-spined stickleback records across England →

Most recent observation18 July 2024Lock Bridge · 1 fish
Largest measured 3-spined stickleback
7.5 cm
Median length
4.6 cm
Fish measured
131
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
7.5 cm7 Aug 2006Slaughter Bridge102301
7 cm9 Sept 2002Slaughter Bridge63460
6.6 cm4 Jul 2003Slaughter Bridge76699
6.1 cm7 Aug 2006Slaughter Bridge102301
6 cm7 Aug 2006Slaughter Bridge102301
6 cm9 Sept 2002Slaughter Bridge63460
5.8 cm4 Jul 2003Slaughter Bridge76699
5.6 cm7 Aug 2006Slaughter Bridge102301
5.6 cm7 Aug 2006Slaughter Bridge102301
5.6 cm8 Aug 2005Slaughter Bridge87407

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
Lock Bridge18 Jul 202418 Jul 20241
Slaughter Bridge9 Sept 20027 Aug 20075

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

2002–2024

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 131 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
3.4 cm
Median
4.6 cm
Upper quarter
5.1 cm
Largest
7.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 130 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 (0.001 kg)
Median
0 oz (0.001 kg)
Upper quarter
0 oz (0.001 kg)
Heaviest
0.1 oz (0.004 kg)

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

More fish in this river

Explore the River Adur West Arm

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

Roach Pike European eel Perch Rudd Chub

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 →