RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Frome

Largest measured 3-spined stickleback: 10.8 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Frome was 10.8 cm, recorded at Miserden on 16 March 1992.

Across 137 measured 3-spined stickleback, the median measured length was 4.2 cm.

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

See 3-spined stickleback records across England →

Most recent observation17 August 2023Hope Mill Park
Largest measured 3-spined stickleback
10.8 cm
Median length
4.2 cm
Fish measured
137
Survey locations
17

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
10.8 cm16 Mar 1992Miserden55693
8.5 cm16 Mar 1992Miserden55693
8 cm16 Mar 1992Miserden55693
6.9 cm16 Mar 1992Miserden55693
6.8 cm20 May 1997Upstream Stanley Downton, Eastington55795
6.4 cm16 Mar 1992Miserden55693
6.2 cm20 May 1997Upstream Stanley Downton, Eastington55795
6 cm16 Mar 1992Miserden55693
5.8 cm11 Sept 2013Chalford138570
5.8 cm20 May 1997Upstream Stanley Downton, Eastington55795

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
Hope Mill Park13 Sept 201717 Aug 20234
Chalford16 Mar 199217 Aug 20239
Bullbanks8 Sept 201116 Aug 20233
Millend12 Sept 201712 Sept 20171
Churchend, North Arm7 Sept 201112 Sept 20172
Ryeford30 Sept 20086 Sept 20172
d/s Sharpness Canal16 Aug 20029 Sept 20166
Edgeworth Mill8 Sept 201112 Sept 20132
Eastington, Church End20 May 199731 Aug 20063
Rehabilitation site27 Sept 200117 Sept 20022
Upstream Ebley Mill26 Sept 200116 Sept 20022
Thrupp17 Mar 199224 Jul 20022
Upstream Whitminster Weir27 Sept 200127 Sept 20011
Upstream Stanley Downton, Eastington11 Mar 199220 May 19972
Miserden16 Mar 199219 May 19972
Eastington, d/s Stanley Downton11 Oct 199430 Oct 19963
Eastington11 Oct 19895 Nov 19913

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

1989–2023

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 137 measured fish were spread across different length ranges.

Smallest
1 cm
Lower quarter
3.3 cm
Median
4.2 cm
Upper quarter
5 cm
Largest
10.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Frome

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

Brown / sea trout Bullhead European eel Roach Pike Common bream

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 →