RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Medbourne Brook

Largest measured 3-spined stickleback: 6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Medbourne Brook was 6 cm, recorded at Blaston - Medbourne Brook on 17 March 1993.

Across 7 measured 3-spined stickleback, the median measured length was 5.5 cm.

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

See 3-spined stickleback records across England →

Most recent observation27 April 2009Medbourne - Medbourne Brook
Largest measured 3-spined stickleback
6 cm
Median length
5.5 cm
Fish measured
7
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
6 cm17 Mar 1993Blaston - Medbourne Brook54552
6 cm17 Mar 1993Blaston - Medbourne Brook54552
5.5 cm17 Mar 1993Blaston - Medbourne Brook54552
5.5 cm17 Mar 1993Blaston - Medbourne Brook54552
5 cm17 Mar 1993Blaston - Medbourne Brook54552
5 cm17 Mar 1993Blaston - Medbourne Brook54552
4 cm17 Mar 1993Blaston - Medbourne Brook54552

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
Medbourne - Medbourne Brook28 Apr 200827 Apr 20092
Upstream Medbourne28 Apr 200828 Apr 20081
Blaston - Medbourne Brook17 Mar 199317 Mar 19931

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

1993–2009

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 7 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
5 cm
Median
5.5 cm
Upper quarter
5.8 cm
Largest
6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Medbourne Brook

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

Roach Chub Minnow Stone loach Dace Gudgeon

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 →