Roach · Rutilus rutilus

Roach in the River Brain

Largest measured roach: 31.3 cm

The largest roach measured in Environment Agency surveys of the River Brain was 31.3 cm, recorded at Guithavon FGS on 22 November 2005.

Across 684 measured roach, the median measured length was 16.2 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 Brain.

See roach records across England →

Most recent observation12 October 2011Witham Park · 49 fish

Largest measured roach: 31.3 cm
Median length: 16.2 cm
Fish measured: 684
Survey locations: 7

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
31.3 cm	22 Nov 2005	Guithavon FGS	88005
31.2 cm	29 Sept 1996	Guithavon FGS	14245
30.1 cm	22 Nov 2005	Guithavon FGS	88005
30 cm	22 Nov 2005	Guithavon FGS	88005
30 cm	29 Sept 1996	Guithavon FGS	14245
28.9 cm	22 Nov 2005	Guithavon FGS	88005
28.3 cm	22 Nov 2005	Guithavon FGS	88005
28.3 cm	18 Oct 1999	Witham STW	14250
28.2 cm	22 Nov 2005	Guithavon FGS	88005
28.2 cm	22 Nov 2005	Guithavon FGS	88005

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
Witham Park	27 Sept 1984	12 Oct 2011	8
White Notley STW	23 Jun 1987	24 Nov 2005	5
Faulkbourne Ford	3 Oct 1984	23 Nov 2005	6
Guithavon FGS	28 Sept 1984	22 Nov 2005	7
Bramble Road	2 Jul 1993	11 Nov 2005	4
Witham STW	1 Jun 1990	18 Oct 1999	3
Pennetts Farm	7 Jul 1993	3 Oct 1996	2

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

1984–2011

Survey records by year

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

384

085

086

487

088

089

390

091

092

693

094

095

796

097

098

699

000

001

002

003

004

505

006

007

008

009

010

111

Fish measured by surveyors

Measured length distribution

See how the 684 measured fish were spread across different length ranges.

Smallest: 5.2 cm
Lower quarter: 11.5 cm
Median: 16.3 cm
Upper quarter: 19.8 cm
Largest: 31.3 cm

0–99 mm

100–199 mm

436

200–299 mm

159

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Brain

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

Gudgeon Stone loach European eel Dace Chub 3-spined stickleback

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 →