Roach · Rutilus rutilus

Roach in the River Gowy

Largest measured roach: 30 cm

The largest roach measured in Environment Agency surveys of the River Gowy was 30 cm, recorded at Gwgo25 on 25 April 2002.

Across 2,322 measured roach, the median measured length was 11.6 cm.

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

See roach records across England →

Most recent observation16 April 2026Gwgo10 · 1 fish

Largest measured roach: 30 cm
Median length: 11.6 cm
Fish measured: 2,322
Survey locations: 11

Individual EA measurements

Largest measured roach

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
30 cm	25 Apr 2002	Gwgo25	53534
30 cm	9 Sept 1996	Go12	100736
29 cm	26 Apr 2005	Gwgo10	84478
28.9 cm	25 Apr 2002	Gwgo25	53534
28.8 cm	25 Apr 2002	Gwgo25	53534
28.7 cm	25 Apr 2002	Gwgo25	53534
28.6 cm	15 Apr 2003	Gwgo10	75841
28.5 cm	3 May 2007	Gwgo25	105306
28 cm	25 Apr 2002	Gwgo25	53534
27.4 cm	21 Apr 2004	Gwgo05	79684

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Gwgo10	26 May 1999	16 Apr 2026	11
Gwgo06	16 Jun 2010	21 May 2014	2
Gwgo25	25 Apr 2002	25 Apr 2014	8
Gwgo05	10 Jul 1996	16 Jun 2010	10
Gwgo20	23 Apr 2002	2 Jun 2010	5
Gwgo15	23 Apr 2002	11 Apr 2005	2
Gwgo02	26 Jul 1999	26 Jul 1999	1
Go12	9 Sept 1996	22 Jul 1999	2
Go14	8 Jul 1999	8 Jul 1999	1
Go07	26 May 1999	26 May 1999	1
Go06	26 May 1999	26 May 1999	1

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 roach that year.

296

097

098

799

000

001

502

303

304

505

306

307

308

209

310

011

012

013

314

015

016

017

018

019

020

021

022

023

124

025

126

Fish measured by surveyors

Measured length distribution

See how the 2,322 measured fish were spread across different length ranges.

Smallest: 2.5 cm
Lower quarter: 8.2 cm
Median: 11.6 cm
Upper quarter: 14.4 cm
Largest: 30 cm

0–99 mm

936

100–199 mm

1255

200–299 mm

129

300–399 mm

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 3-spined stickleback Gudgeon 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 →