3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Cowfold Stream

Largest measured 3-spined stickleback: 5.4 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Cowfold Stream was 5.4 cm, recorded at Eastlands Farm on 2 March 1998.

Across 3 measured 3-spined stickleback, the median measured length was 4.5 cm.

Surveyors recorded weights for 3 3-spined stickleback. The median was 0 oz (0.001 kg) and the largest recorded weight was 0.1 oz (0.002 kg).

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

See 3-spined stickleback records across England →

Most recent observation15 May 2014Sheepfield Shaw · 4 fish

Largest measured 3-spined stickleback: 5.4 cm
Median length: 4.5 cm
Fish measured: 3
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.

Length	Survey date	Survey location	Survey ID
5.4 cm	2 Mar 1998	Eastlands Farm	72653
4.5 cm	2 Mar 1998	Eastlands Farm	72653
3.5 cm	2 Mar 1998	Eastlands Farm	72653

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 surveyed	First recorded	Last recorded	Visits finding 3-spined stickleback
Sheepfield Shaw	15 May 2014	15 May 2014	1
Downstream Field House Farm	20 Jul 2012	20 Jul 2012	1
Eastlands Farm	2 Mar 1998	2 Mar 1998	1

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

1998–2014

Survey records by year

Each bar shows how many survey visits recorded 3-spined stickleback that year.

198

099

000

001

002

003

004

005

006

007

008

009

010

011

112

013

114

Fish measured by surveyors

Measured length distribution

See how the 3 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 4 cm
Median: 4.5 cm
Upper quarter: 5 cm
Largest: 5.4 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 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: 0.1 oz (0.0015 kg)
Heaviest: 0.1 oz (0.002 kg)

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

More fish in this river

Explore the Cowfold Stream

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

European eel Gudgeon Perch Stone loach Brown / sea trout Bullhead

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 →