RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Candover

Largest measured 3-spined stickleback: 5.4 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Candover was 5.4 cm, recorded at Abbotstone on 17 August 2006.

Across 63 measured 3-spined stickleback, the median measured length was 3.1 cm.

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

See 3-spined stickleback records across England →

Most recent observation18 August 2025Abbotstone · 7 fish
Largest measured 3-spined stickleback
5.4 cm
Median length
3.1 cm
Fish measured
63
Survey locations
9

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
5.4 cm17 Aug 2006Abbotstone101574
4.5 cm17 Aug 2006Abbotstone101574
4.1 cm17 Aug 2006Abbotstone101574
4 cm17 Aug 2006Abbotstone101574
4 cm17 Aug 2006Abbotstone101574
4 cm17 Aug 2006Abbotstone101574
3.8 cm17 Aug 2010Abbotstone123812
3.8 cm17 Aug 2006Abbotstone101574
3.8 cm17 Aug 2006Abbotstone101574
3.7 cm17 Aug 2010Abbotstone123812

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
Abbotstone8 Aug 200518 Aug 202516
Granny Goss riffle8 Sept 200914 Aug 20259
Duck meadow8 Sept 200911 Aug 20256
d/s Fobdown30 Sept 201523 Jul 20212
Upper Fobdown restoration site20 Oct 201520 Oct 20151
Lower Fobdown restoration site20 Oct 201520 Oct 20151
Folly Main9 Sept 200930 Sept 20152
Granny Goss restoration site6 Sept 20122 Oct 20132
Castle Meadow2 Oct 20132 Oct 20131

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

2005–2025

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 63 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
2.8 cm
Median
3.1 cm
Upper quarter
3.5 cm
Largest
5.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Candover

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

Brown / sea trout Bullhead Minnow Atlantic salmon Stone loach Brook lamprey

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 →