RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Main Cober

Largest measured 3-spined stickleback: 5.1 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Main Cober was 5.1 cm, recorded at Boscodjack on 21 May 2012.

Across 4 measured 3-spined stickleback, the median measured length was 4.5 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 Main Cober.

See 3-spined stickleback records across England →

Most recent observation18 May 2018Boscodjack · 1 fish
Largest measured 3-spined stickleback
5.1 cm
Median length
4.5 cm
Fish measured
4
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
5.1 cm21 May 2012Boscodjack131287
4.6 cm18 May 2018Boscodjack153038
4.5 cm21 May 2012Boscodjack131287
3.7 cm21 May 2012Boscodjack131287

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
Boscodjack3 Jun 200418 May 20184
Trenear Bridge7 Jun 20047 Jun 20041
Lower Nancelloe13 Oct 198613 Oct 19861

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

1986–2018

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 4 measured fish were spread across different length ranges.

Smallest
3.7 cm
Lower quarter
4.3 cm
Median
4.6 cm
Upper quarter
4.7 cm
Largest
5.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Cober

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

Brown / sea trout 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 →