RiverFish

Roach · Rutilus rutilus

Roach in the River Boulters - Bray

Largest measured roach: 27.8 cm

The largest roach measured in Environment Agency surveys of the River Boulters - Bray was 27.8 cm, recorded at Boulters - Bray, Main Channel on 10 September 2002.

Across 1,092 measured roach, the median measured length was 10.5 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 Boulters - Bray.

See roach records across England →

Most recent observation1 August 2022Boulters Weir Stream · 1 fish
Largest measured roach
27.8 cm
Median length
10.5 cm
Fish measured
1,092
Survey locations
2

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
27.8 cm10 Sept 2002Boulters - Bray, Main Channel69020
26.5 cm2 Sept 2003Boulters - Bray, Main Channel77417
26.4 cm1 Sept 2005Boulters - Bray, Main Channel86308
25.5 cm10 Sept 2002Boulters - Bray, Main Channel69020
24.3 cm2 Sept 2003Boulters - Bray, Main Channel77417
24 cm1 Sept 2005Boulters Weir Stream86265
24 cm2 Sept 2003Boulters - Bray, Main Channel77417
23.8 cm2 Sept 2003Boulters - Bray, Main Channel77417
23.5 cm2 Sept 2003Boulters - Bray, Main Channel77417
23.5 cm18 Sept 1995Boulters - Bray, Main Channel121589

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
Boulters Weir Stream1 Sept 19951 Aug 202221
Boulters - Bray, Main Channel18 Sept 19951 Sept 20058

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

1995–2022

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 1,092 measured fish were spread across different length ranges.

Smallest
1 cm
Lower quarter
9 cm
Median
10.5 cm
Upper quarter
13.7 cm
Largest
27.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Boulters - Bray

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

Bleak Pike Dace Chub Perch 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 →