Roach · Rutilus rutilus

Roach in the Great Eau FMU

Largest measured roach: 42 cm

The largest roach measured in Environment Agency surveys of the Great Eau FMU was 42 cm, recorded at Cloves Bridge Upstream on 11 May 1992.

Across 11,875 measured roach, the median measured length was 12.1 cm.

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

See roach records across England →

Most recent observation1 June 2015Gayton Engine · 10 fish

Largest measured roach: 42 cm
Median length: 12.1 cm
Fish measured: 11,875
Survey locations: 10

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
42 cm	11 May 1992	Cloves Bridge Upstream	57787
31.3 cm	12 Oct 1989	Will Row	57771
31.2 cm	14 Sept 1994	Will Row	58094
31.1 cm	9 Jul 1986	Cloves Bridge Upstream	57757
30.9 cm	20 May 1986	Gayton Engine	57756
30.9 cm	20 May 1986	Gayton Engine	57756
30.6 cm	12 Oct 1989	Will Row	57771
30.6 cm	20 May 1986	Gayton Engine	57756
30.4 cm	9 Jul 1986	Cloves Bridge Upstream	57757
30.4 cm	20 May 1986	Gayton Engine	57756

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
Gayton Engine	20 May 1986	1 Jun 2015	7
Sea View Road	23 Oct 1989	2 Apr 2014	3
Cloves Bridge Upstream	9 Jul 1986	2 Apr 2014	8
Withern Road Bridge	18 Jun 1992	27 Nov 2013	6
Barfen Farm	12 Oct 1989	26 Jun 1995	2
Upstream R/B Sea Doors	27 Jun 1986	6 Jun 1995	3
Rimac	10 Jul 1986	2 Jun 1995	3
Will Row	12 Oct 1989	25 May 1995	4
Gayton Le Marsh	11 Oct 1989	22 May 1995	3
Gayton Pump	30 Apr 1992	18 May 1995	2

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

1986–2015

Survey records by year

Each bar shows how many survey visits recorded roach that year.

486

087

088

789

090

091

592

093

594

1195

196

097

098

099

000

001

002

203

004

005

006

007

008

109

010

011

012

113

314

115

Fish measured by surveyors

Measured length distribution

See how the 11,875 measured fish were spread across different length ranges.

Smallest: 1.2 cm
Lower quarter: 9.6 cm
Median: 12.1 cm
Upper quarter: 15 cm
Largest: 42 cm

0–99 mm

3254

100–199 mm

7704

200–299 mm

901

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Great Eau FMU

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

European eel 3-spined stickleback Stone loach Pike Dace 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 →