3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Alfreton Brook

Largest measured 3-spined stickleback: 6.2 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Alfreton Brook was 6.2 cm, recorded at Brook Farm on 2 June 2014.

Across 54 measured 3-spined stickleback, the median measured length was 2.5 cm.

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

See 3-spined stickleback records across England →

Most recent observation2 June 2014Brook Farm · 13 fish
Largest measured 3-spined stickleback
6.2 cm
Median length
2.5 cm
Fish measured
54
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
6.2 cm2 Jun 2014Brook Farm141001
6.1 cm2 Jun 2014Brook Farm141001
6.1 cm2 Jun 2014Brook Farm141001
6 cm2 Jun 2014Brook Farm141001
5.7 cm2 Jun 2014Brook Farm141001
5.6 cm2 Jun 2014Brook Farm141001
5.6 cm2 Jun 2014Brook Farm141001
5.5 cm2 Jun 2014Brook Farm141001
5.5 cm2 Jun 2014Brook Farm141001
5.4 cm2 Jun 2014Brook Farm141001

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
Westhouses12 Sept 20122 Jun 20142
Brook Farm13 May 20042 Jun 20143

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

2004–2014

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 54 measured fish were spread across different length ranges.

Smallest
1.1 cm
Lower quarter
2.1 cm
Median
2.5 cm
Upper quarter
4.6 cm
Largest
6.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Alfreton Brook

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

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 →