RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Severn

Largest measured 3-spined stickleback: 4.5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Severn was 4.5 cm, recorded at Upton Marina Basin EQSD on 11 May 2017.

Across 127 measured 3-spined stickleback, the median measured length was 3.2 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 Severn.

See 3-spined stickleback records across England →

Most recent observation19 March 2020Worcester racecourse fish rescue · 1 fish
Largest measured 3-spined stickleback
4.5 cm
Median length
3.2 cm
Fish measured
127
Survey locations
12

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
4.5 cm11 May 2017Upton Marina Basin EQSD150400
4.3 cm20 Sept 2016Cressage Fry Site149362
4.3 cm22 Sept 2014Monkmoor Fry Site142973
4 cm31 Aug 2018Holt Fleet Mutton Hall Fry Site153213
4 cm23 Sept 2014Cressage Fry Site143043
4 cm23 Sept 2014Cressage Fry Site143043
3.9 cm23 Sept 2014Cressage Fry Site143043
3.9 cm23 Sept 2014Cressage Fry Site143043
3.9 cm23 Sept 2014Cressage Fry Site143043
3.8 cm23 Sept 2014Cressage Fry Site143043

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
Worcester racecourse fish rescue19 Mar 202019 Mar 20201
Holt Fleet Mutton Hall Fry Site31 Aug 20184 Sept 20192
Cressage Fry Site13 Sept 20113 Sept 20197
Pengwern Boat Club Fry Site4 Sept 20132 Sept 20194
Monkmoor Fry Site4 Sept 20132 Sept 20194
Upton Marina Basin EQSD11 May 201711 May 20171
Bridgnorth us A458 fry site14 Sept 201514 Sept 20151
Hifnal Fry Site16 Sept 201311 Sept 20153
Shrewsbury County Showground Fry Site10 Sept 201510 Sept 20151
Wainlodes Fry Site26 Sept 201426 Sept 20141
Montford Bridge14 Sept 201114 Sept 20111
Bridgnorth Town Fry Site7 Sept 20117 Sept 20111

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

2011–2020

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 127 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
2.9 cm
Median
3.2 cm
Upper quarter
3.5 cm
Largest
4.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Severn

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

Roach Chub Gudgeon Dace Bleak 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 →