RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Main Bristol Frome

Largest measured 3-spined stickleback: 5.6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Main Bristol Frome was 5.6 cm, recorded at Nibley (Se-03) on 5 August 2010.

Across 43 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 Main Bristol Frome.

See 3-spined stickleback records across England →

Most recent observation4 July 2023Eastville Park (Te)
Largest measured 3-spined stickleback
5.6 cm
Median length
3.1 cm
Fish measured
43
Survey locations
10

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
5.6 cm5 Aug 2010Nibley (Se-03)123294
5.5 cm9 Aug 2012St Johns Park132851
5.2 cm9 Aug 2012St Johns Park132851
5.1 cm9 Aug 2012St Johns Park132851
5 cm9 Aug 2012St Johns Park132851
4.9 cm15 Jul 2014Eastville Park (Te)141707
4.8 cm15 Jul 2014Eastville Park (Te)141707
4.6 cm9 Aug 2012St Johns Park132851
4.6 cm9 Aug 2012St Johns Park132851
4.6 cm9 Aug 2012St Johns Park132851

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
Eastville Park (Te)27 Aug 19984 Jul 20235
Goose Green14 Jun 202314 Jun 20231
Damsons Bridge (Te)26 Jul 202226 Jul 20221
Oldbury Court20 Aug 20135 Jul 20222
St Johns Park9 Aug 20129 Aug 20121
Meadowmead9 Aug 20129 Aug 20121
Nibley (Se-03)5 Aug 20105 Aug 20101
Frenchay, Flock Mill (Te)29 May 20033 Aug 20103
Dodington (Coombes end)23 Sept 199823 Sept 19981
Colts Green (Se-03)25 Jun 199825 Jun 19981

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

1998–2023

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 43 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
2.5 cm
Median
3.1 cm
Upper quarter
4.6 cm
Largest
5.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Bristol Frome

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

Bullhead Gudgeon Brown / sea trout Roach European eel Minnow

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 →