3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Cam

Largest measured 3-spined stickleback: 6.4 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Cam was 6.4 cm, recorded at Downstream North Cadbury STW on 22 June 1994.

Across 14 measured 3-spined stickleback, the median measured length was 4.7 cm.

Surveyors recorded weights for 9 3-spined stickleback. The median was 0.1 oz (0.002 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 Cam.

See 3-spined stickleback records across England →

Most recent observation9 July 2019Bridgehampton

Largest measured 3-spined stickleback: 6.4 cm
Median length: 4.7 cm
Fish measured: 14
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
6.4 cm	22 Jun 1994	Downstream North Cadbury STW	79900
6.3 cm	22 Jun 1994	Downstream North Cadbury STW	79900
5.9 cm	23 Jun 1994	Sparkford Bridge	79901
5.2 cm	22 Jun 1994	Downstream North Cadbury STW	79900
5.2 cm	22 Jun 1994	Downstream North Cadbury STW	79900
5.1 cm	20 Jul 2010	Bridgehampton	123033
4.9 cm	23 Jun 1994	Sparkford Bridge	79901
4.5 cm	23 Jun 1994	Sparkford Bridge	79901
4.1 cm	23 Jun 1994	Sparkford Bridge	79901
4 cm	23 Jun 1994	Sparkford Bridge	79901

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
Bridgehampton	16 Jul 2008	9 Jul 2019	3
Sparkford Bridge	23 Jun 1994	23 Jun 1994	1
Downstream North Cadbury STW	22 Jun 1994	22 Jun 1994	1

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

1994–2019

Survey records by year

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

294

095

096

097

098

099

000

001

002

003

004

005

006

007

108

009

110

011

012

013

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 14 measured fish were spread across different length ranges.

Smallest: 2.6 cm
Lower quarter: 3.3 cm
Median: 4.7 cm
Upper quarter: 5.2 cm
Largest: 6.4 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 9 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: 0.1 oz (0.002 kg)
Upper quarter: 0.1 oz (0.002 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 Cam

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

European eel Chub Minnow Stone loach Dace Brown / sea 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 →