3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Hey Brook

Largest measured 3-spined stickleback: 6.3 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Hey Brook was 6.3 cm, recorded at Roman Road on 8 February 2005.

Across 362 measured 3-spined stickleback, the median measured length was 4 cm.

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

See 3-spined stickleback records across England →

Most recent observation25 March 2011Ingatestone Hall · 22 fish

Largest measured 3-spined stickleback: 6.3 cm
Median length: 4 cm
Fish measured: 362
Survey locations: 2

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
6.3 cm	8 Feb 2005	Roman Road	84214
6.2 cm	8 Feb 2005	Roman Road	84214
6.2 cm	8 Feb 2005	Roman Road	84214
6.1 cm	25 Mar 2011	Ingatestone Hall	126007
6 cm	8 Feb 2005	Roman Road	84214
6 cm	8 Feb 2005	Roman Road	84214
6 cm	24 Feb 1998	Roman Road	13434
6 cm	24 Feb 1998	Roman Road	13434
6 cm	24 Feb 1998	Roman Road	13434
6 cm	24 Feb 1998	Roman Road	13434

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
Ingatestone Hall	25 Feb 1998	25 Mar 2011	3
Roman Road	24 Feb 1998	21 Mar 2011	3

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

1998–2011

Survey records by year

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

298

099

000

001

002

003

004

205

006

007

008

009

010

211

Fish measured by surveyors

Measured length distribution

See how the 362 measured fish were spread across different length ranges.

Smallest: 2.1 cm
Lower quarter: 3.2 cm
Median: 4 cm
Upper quarter: 4.5 cm
Largest: 6.3 cm

0–99 mm

362

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Hey Brook

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

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 →