RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River South Dike FMU

Largest measured 3-spined stickleback: 8.5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River South Dike FMU was 8.5 cm, recorded at South Dyke Confluence on 3 July 1986.

Across 363 measured 3-spined stickleback, the median measured length was 5.1 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 South Dike FMU.

See 3-spined stickleback records across England →

Most recent observation5 June 1995South Dyke Confluence · 3 fish
Largest measured 3-spined stickleback
8.5 cm
Median length
5.1 cm
Fish measured
363
Survey locations
3

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
8.5 cm3 Jul 1986South Dyke Confluence57629
8.1 cm3 Sept 1992Church Lane57662
6.7 cm3 Sept 1992Church Lane57662
6.4 cm3 Sept 1992Church Lane57662
6.4 cm31 Oct 1989Grange Farm57637
6.4 cm31 Oct 1989Grange Farm57637
6.3 cm3 Sept 1992South Dyke Confluence57660
6.3 cm12 May 1992Grange Farm57661
6.3 cm3 Jul 1986South Dyke Confluence57629
6.2 cm12 May 1992Grange Farm57661

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
South Dyke Confluence3 Jul 19865 Jun 19953
Church Lane2 Nov 19893 Sept 19922
Grange Farm31 Oct 198912 May 19922

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

1986–1995

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 363 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
4.8 cm
Median
5.1 cm
Upper quarter
5.4 cm
Largest
8.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River South Dike FMU

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

Flounder Roach Rudd Pike Silver bream

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 →