RiverFish

Roach · Rutilus rutilus

Roach in the River Arborfield

Largest measured roach: 23.5 cm

The largest roach measured in Environment Agency surveys of the River Arborfield was 23.5 cm, recorded at CPUE 7 - Upstream of Blackwater confluence. on 17 June 2008.

Across 801 measured roach, the median measured length was 10.7 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 Arborfield.

See roach records across England →

Most recent observation8 April 2014Arborfield Mill Stream · 20 fish
Largest measured roach
23.5 cm
Median length
10.7 cm
Fish measured
801
Survey locations
14

Individual EA measurements

Largest measured roach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
23.5 cm17 Jun 2008CPUE 7 - Upstream of Blackwater confluence.111383
21.5 cm18 Apr 2006Arborfield Mill Stream90827
20.5 cm24 Apr 2008Arborfield Mill Stream110836
20.2 cm24 Apr 2008Arborfield Mill Stream110836
20.1 cm17 Jun 2008CPUE 7 - Upstream of Blackwater confluence.111383
20.1 cm18 Apr 2006Arborfield Mill Stream90827
19.7 cm17 Jun 2008Farley Estate Upstream of A327 (Boat)111355
19.5 cm17 Jun 2008Cpue 5111381
19.5 cm16 Jun 2008Upstream A327 Bridge111354
19.4 cm8 Apr 2014Arborfield Mill Stream140636

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 surveyedFirst recordedLast recordedVisits finding roach
Arborfield Mill Stream23 Apr 20038 Apr 20147
Farley Estate Upstream of A327 (Boat)17 Jun 200826 Jun 20122
Arborfield Weir Channel 31 Jun 20121 Jun 20121
Arborfield Weir Channel 218 Jun 20081 Jun 20122
Farley Estate (Wading)17 Jun 200817 Jun 20081
Cpue 617 Jun 200817 Jun 20081
Cpue 517 Jun 200817 Jun 20081
CPUE 7 - Upstream of Blackwater confluence.17 Jun 200817 Jun 20081
Upstream A327 Bridge16 Jun 200816 Jun 20081
Cpue 416 Jun 200816 Jun 20081
Cpue 316 Jun 200816 Jun 20081
Cpue 216 Jun 200816 Jun 20081
CPUE 1 - Above weirs to A327.16 Jun 200816 Jun 20081
Arborfield Main Channel9 May 199124 Apr 20084

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

1991–2014

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 801 measured fish were spread across different length ranges.

Smallest
3.9 cm
Lower quarter
9 cm
Median
10.7 cm
Upper quarter
12.3 cm
Largest
23.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Arborfield

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

Bleak Chub Perch Pike Gudgeon Barbel

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 →