Roach · Rutilus rutilus

Roach in the Addlestone Bourne

Largest measured roach: 26.6 cm

The largest roach measured in Environment Agency surveys of the Addlestone Bourne was 26.6 cm, recorded at Mitizens Farm on 1 November 1989.

Across 186 measured roach, the median measured length was 12 cm.

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

See roach records across England →

Most recent observation17 July 2014Mitizens Farm · 22 fish

Largest measured roach: 26.6 cm
Median length: 12 cm
Fish measured: 186
Survey locations: 3

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
26.6 cm	1 Nov 1989	Mitizens Farm	116999
25.3 cm	12 Oct 1989	Crockford Bridge	116982
24.1 cm	1 Nov 1989	Mitizens Farm	116999
23.7 cm	19 Jun 1990	Mitizens Farm	117034
23.1 cm	25 Jul 1991	Mitizens Farm	117046
23.1 cm	19 Jun 1990	Mitizens Farm	117034
23 cm	1 Nov 1989	Mitizens Farm	116999
22.5 cm	1 Nov 1989	Mitizens Farm	116999
22.3 cm	25 Jul 1991	Mitizens Farm	117046
22.1 cm	1 Nov 1989	Mitizens Farm	116999

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
Mitizens Farm	1 Nov 1989	17 Jul 2014	5
Crockford Bridge	12 Oct 1989	17 Jul 2014	3
Woburn Park	3 Aug 2006	3 Aug 2006	1

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

1989–2014

Survey records by year

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

289

190

291

092

093

094

095

096

097

098

099

000

001

002

003

004

005

206

007

008

009

010

011

012

013

214

Fish measured by surveyors

Measured length distribution

See how the 186 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 8.3 cm
Median: 12 cm
Upper quarter: 16 cm
Largest: 26.6 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Addlestone Bourne

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

European eel Perch Chub Dace Gudgeon Pike

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 →