RiverFish

3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Yare

Largest measured 3-spined stickleback: 6.5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Yare was 6.5 cm, recorded at Upstream Barnham Broom on 11 July 2017.

Across 45 measured 3-spined stickleback, the median measured length was 3.5 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 Yare.

See 3-spined stickleback records across England →

Most recent observation8 August 2023Upstream Barnham Broom · 5 fish
Largest measured 3-spined stickleback
6.5 cm
Median length
3.5 cm
Fish measured
45
Survey locations
6

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
6.5 cm11 Jul 2017Upstream Barnham Broom152342
5.4 cm6 Jun 2011Upstream Barnham Broom127618
5.3 cm11 Jul 2017Upstream Barnham Broom152342
5.3 cm11 Jul 2017Upstream Barnham Broom152342
5.2 cm11 Jul 2017Upstream Barnham Broom152342
5.1 cm11 Jul 2017Upstream Barnham Broom152342
4.9 cm11 Jul 2017Upstream Barnham Broom152342
4.9 cm6 Jun 2011Upstream Barnham Broom127618
4.9 cm17 May 2005Upstream Barnham Broom84810
4.8 cm17 Jun 2014Downstream Bawburgh Bridge142234

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
Upstream Barnham Broom17 May 20058 Aug 20235
Marlingford19 May 20054 Nov 20203
Cooper Lane18 Aug 201718 Aug 20171
Uea1 Aug 20171 Aug 20171
Upstream Barford Bridge20 May 200518 Jul 20143
Downstream Bawburgh Bridge17 Jun 201417 Jun 20141

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

2005–2023

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 45 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
3 cm
Median
3.5 cm
Upper quarter
4.7 cm
Largest
6.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Yare

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

Pike European eel Roach Dace Chub Perch

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 →