3-spined stickleback · Gasterosteus aculeatus

3-spined stickleback in the River Gowy

Largest measured 3-spined stickleback: 6.6 cm

The largest 3-spined stickleback measured in Environment Agency surveys of the River Gowy was 6.6 cm, recorded at Gwgo20 on 28 April 2004.

Across 207 measured 3-spined stickleback, the median measured length was 5.4 cm.

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

See 3-spined stickleback records across England →

Most recent observation12 May 2026Gwgo25

Largest measured 3-spined stickleback: 6.6 cm
Median length: 5.4 cm
Fish measured: 207
Survey locations: 13

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
6.6 cm	28 Apr 2004	Gwgo20	79728
6.6 cm	15 Apr 2003	Gwgo05	75837
6.5 cm	16 Apr 2003	Gwgo20	75845
6.4 cm	28 Apr 2004	Gwgo15	79729
6.4 cm	16 Apr 2003	Gwgo15	75844
6.4 cm	15 Apr 2003	Gwgo10	75841
6.4 cm	15 Apr 2003	Gwgo05	75837
6.3 cm	28 Apr 2004	Gwgo20	79728
6.3 cm	21 Apr 2004	Gwgo05	79684
6.3 cm	16 Apr 2003	Gwgo20	75845

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
Gwgo25	22 Apr 2004	12 May 2026	6
Gwgo10	9 Sept 1996	16 Apr 2026	12
Gwgo20	16 Apr 2003	22 May 2024	9
Gwgo06	26 May 1999	21 May 2014	2
Gwgo15	23 Apr 2002	22 Apr 2014	8
Gwgo05	22 Apr 2002	29 Apr 2009	8
Gwgo02	26 Jul 1999	26 Jul 1999	1
Gwgo23	22 Jul 1999	22 Jul 1999	1
Go12	9 Sept 1996	22 Jul 1999	2
Go09	8 Jul 1999	8 Jul 1999	1
Go07	26 May 1999	26 May 1999	1
Go06	26 May 1999	26 May 1999	1
Go01	27 Nov 1996	26 May 1999	2

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

1996–2026

Survey records by year

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

396

097

098

999

000

001

202

403

504

505

506

507

508

209

010

011

012

013

414

015

016

017

018

019

020

021

122

023

224

025

226

Fish measured by surveyors

Measured length distribution

See how the 207 measured fish were spread across different length ranges.

Smallest: 2.7 cm
Lower quarter: 5.1 cm
Median: 5.4 cm
Upper quarter: 5.7 cm
Largest: 6.6 cm

0–99 mm

207

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gowy

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

European eel Stone loach Gudgeon Roach Bullhead Perch

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 →