RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Arun

Largest measured 3-spined stickleback: 5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Arun was 5 cm, recorded at Chesworth Farm on 27 July 2005.

Across 75 measured 3-spined stickleback, the median measured length was 4 cm.

Surveyors recorded weights for 75 3-spined stickleback. The median was 0 oz (0.001 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 River Arun.

See 3-spined stickleback records across England →

Most recent observation25 September 2013Pulborough Cut · 10 fish
Largest measured 3-spined stickleback
5 cm
Median length
4 cm
Fish measured
75
Survey locations
7

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 cm27 Jul 2005Chesworth Farm87016
5 cm27 Jul 2005Chesworth Farm87016
5 cm16 Jul 2003Chesworth Farm76631
4.9 cm27 Jul 2005Chesworth Farm87016
4.9 cm27 Jul 2005Chesworth Farm87016
4.8 cm27 Jul 2005Chesworth Farm87016
4.7 cm27 Jul 2005Chesworth Farm87016
4.7 cm27 Jul 2005Chesworth Farm87016
4.7 cm27 Jul 2005Chesworth Farm87016
4.7 cm30 Jul 2004Chesworth Farm80835

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
Pulborough Cut25 Sept 201325 Sept 20131
Roman Station19 Jul 200514 Jul 20082
Wellcross Bridge2 Aug 20052 Aug 20072
Chesworth Farm16 Jul 200314 Aug 20064
Horsham STW13 Aug 20043 Aug 20062
Newbridge30 Jul 200214 Jul 20052
Bignor Farm30 Sept 200311 Aug 20042

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

2002–2013

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 75 measured fish were spread across different length ranges.

Smallest
1 cm
Lower quarter
2.6 cm
Median
4 cm
Upper quarter
4.5 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 75 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 (0.002 kg)

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

More fish in this river

Explore the River Arun

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

Roach Chub Gudgeon European eel Minnow Pike

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 →