RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Cod Beck

Largest measured 3-spined stickleback: 5.7 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Cod Beck was 5.7 cm, recorded at Spital Beck on 23 August 2016.

Across 10 measured 3-spined stickleback, the median measured length was 4 cm.

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

See 3-spined stickleback records across England →

Most recent observation24 August 2016Thirkleby Beck at Thirkleby · 2 fish
Largest measured 3-spined stickleback
5.7 cm
Median length
4 cm
Fish measured
10
Survey locations
5

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
5.7 cm23 Aug 2016Spital Beck149113
5.4 cm24 Aug 2016Thirkleby Beck at Thirkleby149118
5.3 cm23 Aug 2016Spital Beck149113
5.2 cm23 Aug 2016Spital Beck149113
4.2 cm8 Jul 2016Cod Beck at Dalton148423
3.8 cm3 Sept 2013Cod Beck at Boville Park138486
3.6 cm24 Aug 2016Thirkleby Beck at Thirkleby149118
3.4 cm23 Aug 2016Spital Beck149113
2.7 cm23 Aug 2016Spital Beck149113
2.4 cm23 Aug 2016Spital Beck149113

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
Thirkleby Beck at Thirkleby24 Aug 201624 Aug 20161
Spital Beck23 Aug 201623 Aug 20161
Cod Beck at Dalton8 Jul 20168 Jul 20161
Cod Beck at Boville Park3 Sept 20133 Sept 20131
Cod Beck at Cote Ghyll1 Jun 20051 Jun 20051

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

2005–2016

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 10 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
3.5 cm
Median
4 cm
Upper quarter
5.3 cm
Largest
5.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Cod Beck

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

Brown / sea trout Bullhead Stone loach Minnow Grayling Dace

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 →