3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Ant (upper) and NWD Canal

Largest measured 3-spined stickleback: 7 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Ant (upper) and NWD Canal was 7 cm, recorded at Upstream Ebridge Mill on 7 May 2015.

Across 77 measured 3-spined stickleback, the median measured length was 4.5 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Ant (upper) and NWD Canal.

See 3-spined stickleback records across England →

Most recent observation12 May 2015Meeting House Hill · 27 fish

Largest measured 3-spined stickleback: 7 cm
Median length: 4.5 cm
Fish measured: 77
Survey locations: 4

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.

Length	Survey date	Survey location	Survey ID
7 cm	7 May 2015	Upstream Ebridge Mill	145155
6.5 cm	30 Jan 2014	Southrepps Common	140477
6.4 cm	30 Jan 2014	Southrepps Common	140477
5.9 cm	12 May 2015	Meeting House Hill	145185
5.9 cm	11 Apr 2008	Southrepps Common	126067
5.8 cm	30 Jan 2014	Southrepps Common	140477
5.8 cm	11 Apr 2008	Southrepps Common	126067
5.7 cm	11 Apr 2008	Upstream Bradfield Bridge	126063
5.6 cm	11 Apr 2008	Upstream Bradfield Bridge	126063
5.5 cm	12 May 2015	Meeting House Hill	145185

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 surveyed	First recorded	Last recorded	Visits finding 3-spined stickleback
Meeting House Hill	12 May 2015	12 May 2015	1
Upstream Ebridge Mill	7 May 2015	7 May 2015	1
Southrepps Common	11 Apr 2008	30 Jan 2014	2
Upstream Bradfield Bridge	11 Apr 2008	29 Jan 2014	2

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

2008–2015

Survey records by year

Each bar shows how many survey visits recorded 3-spined stickleback that year.

208

009

010

011

012

013

214

215

Fish measured by surveyors

Measured length distribution

See how the 77 measured fish were spread across different length ranges.

Smallest: 2.7 cm
Lower quarter: 3.9 cm
Median: 4.5 cm
Upper quarter: 5.1 cm
Largest: 7 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Ant (upper) and NWD Canal

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

Pike European eel Roach Stone loach Perch 10-spined stickleback

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 →