3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Bumpstead Brook

Largest measured 3-spined stickleback: 6.5 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Bumpstead Brook was 6.5 cm, recorded at Bulls Bridge Farm on 17 February 1997.

Across 376 measured 3-spined stickleback, the median measured length was 3.8 cm.

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

See 3-spined stickleback records across England →

Most recent observation22 March 2010Rylands Farm · 10 fish

Largest measured 3-spined stickleback: 6.5 cm
Median length: 3.8 cm
Fish measured: 376
Survey locations: 3

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
6.5 cm	17 Feb 1997	Bulls Bridge Farm	13377
6.4 cm	22 Mar 2010	Bulls Bridge Farm	121350
6.3 cm	17 Feb 1997	Rylands Farm	13375
6.2 cm	22 Mar 2010	Queen Edith Drive Bridge	121351
6.1 cm	16 Feb 2004	Bulls Bridge Farm	84191
6.1 cm	16 Feb 2004	Bulls Bridge Farm	84191
6 cm	16 Feb 2004	Bulls Bridge Farm	84191
6 cm	16 Feb 2004	Bulls Bridge Farm	84191
5.9 cm	17 Feb 1997	Rylands Farm	13375
5.9 cm	17 Feb 1997	Rylands Farm	13375

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
Rylands Farm	17 Feb 1997	22 Mar 2010	3
Queen Edith Drive Bridge	17 Feb 1997	22 Mar 2010	3
Bulls Bridge Farm	17 Feb 1997	22 Mar 2010	3

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

1997–2010

Survey records by year

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

397

098

099

000

001

002

003

304

005

006

007

008

009

310

Fish measured by surveyors

Measured length distribution

See how the 376 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 3.2 cm
Median: 3.8 cm
Upper quarter: 4.3 cm
Largest: 6.5 cm

0–99 mm

376

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bumpstead Brook

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

Stone loach Bullhead

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 →