RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Ouse

Largest measured 3-spined stickleback: 6.1 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Ouse was 6.1 cm, recorded at Upper Ryelands on 10 August 2005.

Across 209 measured 3-spined stickleback, the median measured length was 3.6 cm.

Surveyors recorded weights for 207 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 Ouse.

See 3-spined stickleback records across England →

Most recent observation12 September 2018Slaugham · 9 fish
Largest measured 3-spined stickleback
6.1 cm
Median length
3.6 cm
Fish measured
209
Survey locations
12

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
6.1 cm10 Aug 2005Upper Ryelands86810
6.1 cm10 Aug 2005Upper Ryelands86810
6 cm17 Aug 2004Upper Ryelands81344
5.9 cm10 Aug 2005Upper Ryelands86810
5.7 cm26 Sept 2006Slaugham102540
5.7 cm10 Aug 2005Upper Ryelands86810
5.7 cm10 Aug 2005Upper Ryelands86810
5.7 cm17 Aug 2004Upper Ryelands81344
5.7 cm17 Aug 2004Upper Ryelands81344
5.6 cm17 Aug 2004Upper Ryelands81344

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
Slaugham26 Sept 200612 Sept 20183
Isfield Church30 Jun 201630 Jun 20161
Anchor Weir29 Jun 201629 Jun 20161
Sloop15 Sept 201515 Sept 20151
Upstream Lindfield Bridge24 Oct 201224 Oct 20121
Sloop Weir Upstream25 Oct 201125 Oct 20111
Fletching Mill Upstream11 Jul 201111 Jul 20111
Newick17 Sept 200717 Sept 20071
Avins Bridge9 Aug 20017 Sept 20072
Upper Ryelands6 Aug 200310 Aug 20053
East Mascalls Bridge23 Aug 200423 Aug 20041
Cherry lane11 Aug 200311 Aug 20031

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

2001–2018

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 209 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
3.4 cm
Median
3.6 cm
Upper quarter
3.9 cm
Largest
6.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 207 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 Ouse

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

European eel Perch Roach Dace Gudgeon Stone loach

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 →