RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Ozelworth Brook

Largest measured 3-spined stickleback: 7 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Ozelworth Brook was 7 cm, recorded at Kingswood on 8 August 1994.

Across 42 measured 3-spined stickleback, the median measured length was 5.2 cm.

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

See 3-spined stickleback records across England →

Most recent observation23 August 2004Kilcott Cottage, Kilcott Stream
Largest measured 3-spined stickleback
7 cm
Median length
5.2 cm
Fish measured
42
Survey locations
4

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 cm8 Aug 1994Kingswood66500
6.5 cm8 Aug 1994Kingswood66500
6.3 cm8 Aug 1994Kingswood66500
6.3 cm8 Aug 1994Kingswood66500
6.2 cm8 Aug 1994Kingswood66500
6.2 cm8 Aug 1994Kingswood66500
6.1 cm8 Aug 1994Kingswood66500
6.1 cm2 Jul 1991Kilcott Cottage, Kilcott Stream66721
6 cm8 Aug 1994Kingswood66500
6 cm8 Aug 1994Kingswood66500

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
Kilcott Cottage, Kilcott Stream2 Jul 199123 Aug 20042
Gastons Brook8 Aug 199418 Aug 20043
Downstream sewage works16 Mar 200016 Mar 20001
Kingswood8 Aug 199424 Aug 19992

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

1991–2004

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 42 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
4.9 cm
Median
5.3 cm
Upper quarter
5.8 cm
Largest
7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Ozelworth Brook

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

Brown / sea trout Bullhead European eel Rainbow trout

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 →