RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Twyver

Largest measured 3-spined stickleback: 7.1 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Twyver was 7.1 cm, recorded at Gloucester Rugby Club on 7 June 2018.

Across 21 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 Twyver.

See 3-spined stickleback records across England →

Most recent observation14 June 2022Gloucester Rugby Club
Largest measured 3-spined stickleback
7.1 cm
Median length
5.1 cm
Fish measured
21
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
7.1 cm7 Jun 2018Gloucester Rugby Club152731
6.2 cm1 Jul 2014Gloucester Rugby Club141495
5.9 cm1 Jul 2014Gloucester Rugby Club141495
5.9 cm1 Jul 2014Gloucester Rugby Club141495
5.7 cm1 Jul 2014Gloucester Rugby Club141495
5.7 cm1 Jul 2014Gloucester Rugby Club141495
5.7 cm1 Jul 2014Gloucester Rugby Club141495
5.7 cm1 Jul 2014Gloucester Rugby Club141495
5.6 cm1 Jul 2014Gloucester Rugby Club141495
5.4 cm1 Jul 2014Gloucester Rugby Club141495

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
Gloucester Rugby Club28 Apr 201014 Jun 20227
Abbeydale Sports & Community Centre14 Jun 201314 Jun 20131

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

2010–2022

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 21 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
4.8 cm
Median
5.1 cm
Upper quarter
5.7 cm
Largest
7.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Twyver

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

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 →