RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Black Sewer

Largest measured 3-spined stickleback: 6.2 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Black Sewer was 6.2 cm, recorded at Kings Barn Farm, d/s STW on 15 August 2007.

Across 189 measured 3-spined stickleback, the median measured length was 3.7 cm.

Surveyors recorded weights for 163 3-spined stickleback. The median was 0 oz (0.001 kg) and the largest recorded weight was 0.2 oz (0.005 kg).

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

See 3-spined stickleback records across England →

Most recent observation3 September 2012Kings Barn Farm, d/s STW · 2 fish
Largest measured 3-spined stickleback
6.2 cm
Median length
3.7 cm
Fish measured
189
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
6.2 cm15 Aug 2007Kings Barn Farm, d/s STW107282
6.2 cm16 Jul 2004Kings Barn Farm, d/s STW80836
6.1 cm15 Aug 2007Kings Barn Farm, d/s STW107282
6 cm15 Aug 2007Kings Barn Farm, u/s STW106998
5.9 cm15 Aug 2006Kings Barn Farm, d/s STW102345
5.8 cm15 Aug 2006Kings Barn Farm, d/s STW102345
5.7 cm15 Aug 2007Kings Barn Farm, d/s STW107282
5.6 cm15 Aug 2006Kings Barn Farm, u/s STW102317
5.5 cm24 Aug 2005Black Sewer Upper87445
5.5 cm29 Jul 2003Kings Barn Farm, d/s STW76619

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
Kings Barn Farm, d/s STW27 Aug 20023 Sept 20129
Black Sewer Upper12 Aug 20043 Aug 20113
Kings Barn Farm, u/s STW6 May 199815 Aug 20077

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

1998–2012

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 189 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
3.2 cm
Median
3.7 cm
Upper quarter
4.2 cm
Largest
6.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 163 3-spined stickleback. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0 oz (0.001 kg)
Median
0 oz (0.001 kg)
Upper quarter
0 oz (0.001 kg)
Heaviest
0.2 oz (0.005 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Black Sewer

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

Brown / sea trout Stone loach European eel Chub Flounder 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 →