3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Main River Biss

Largest measured 3-spined stickleback: 6.4 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Main River Biss was 6.4 cm, recorded at Penleigh Farm (Se-03) on 18 October 2016.

Across 10 measured 3-spined stickleback, the median measured length was 3.6 cm.

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

See 3-spined stickleback records across England →

Most recent observation18 October 2016Penleigh Farm (Se-03) · 3 fish

Largest measured 3-spined stickleback: 6.4 cm
Median length: 3.6 cm
Fish measured: 10
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
6.4 cm	18 Oct 2016	Penleigh Farm (Se-03)	149792
6.3 cm	16 May 2012	Brook House	132235
5.9 cm	18 Oct 2016	Penleigh Farm (Se-03)	149792
5.3 cm	12 Jul 2010	Penleigh Farm (Se-03)	122763
3.7 cm	18 Oct 2016	Penleigh Farm (Se-03)	149792
3.5 cm	12 Jul 2010	Penleigh Farm (Se-03)	122763
3.2 cm	12 Jul 2010	Penleigh Farm (Se-03)	122763
3 cm	12 Jul 2010	Penleigh Farm (Se-03)	122763
2.5 cm	12 Jul 2010	Penleigh Farm (Se-03)	122763
2.2 cm	12 Jul 2010	Penleigh Farm (Se-03)	122763

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
Penleigh Farm (Se-03)	4 Apr 2003	18 Oct 2016	3
Brook House	16 May 2012	16 May 2012	1
Ashton Hill Farm	31 Jul 1997	31 Jul 1997	1

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

1997–2016

Survey records by year

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

197

098

099

000

001

002

103

004

005

006

007

008

009

110

011

112

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 10 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 3.1 cm
Median: 3.6 cm
Upper quarter: 5.8 cm
Largest: 6.4 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Biss

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

Bullhead Brown / sea trout Minnow Chub Dace Roach

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 →