3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the Mablethorpe Cut FMU

Largest measured 3-spined stickleback: 8.3 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the Mablethorpe Cut FMU was 8.3 cm, recorded at Theddlethorpe on 29 April 1992.

Across 648 measured 3-spined stickleback, the median measured length was 4.7 cm.

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

See 3-spined stickleback records across England →

Most recent observation15 June 2015Theddlethorpe

Largest measured 3-spined stickleback: 8.3 cm
Median length: 4.7 cm
Fish measured: 648
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
8.3 cm	29 Apr 1992	Theddlethorpe	57656
7.8 cm	7 May 1992	Harps Bridge	57657
7.4 cm	29 Apr 1992	Theddlethorpe	57656
7.2 cm	8 Jun 1995	Harps Bridge	57687
7.2 cm	29 Apr 1992	Theddlethorpe	57656
7.2 cm	29 Apr 1992	Theddlethorpe	57656
6.9 cm	29 Apr 1992	Theddlethorpe	57656
6.8 cm	8 Jun 1995	Harps Bridge	57687
6.7 cm	14 May 1992	Bleak House	57658
6.7 cm	7 May 1992	Harps Bridge	57657

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
Theddlethorpe	13 Oct 1989	15 Jun 2015	4
Mablethorpe	5 Oct 1995	15 Jun 2015	2
Bleak House	14 May 1992	5 Oct 1995	2
Harps Bridge	17 Oct 1989	8 Jun 1995	3

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

1989–2015

Survey records by year

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

289

090

091

392

093

094

495

096

097

098

099

000

001

002

003

004

005

006

007

008

009

010

011

012

013

014

215

Fish measured by surveyors

Measured length distribution

See how the 648 measured fish were spread across different length ranges.

Smallest: 2.6 cm
Lower quarter: 4.2 cm
Median: 4.7 cm
Upper quarter: 5.2 cm
Largest: 8.3 cm

0–99 mm

648

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Mablethorpe Cut FMU

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

Roach Pike Rudd

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 →