RiverFish

Bleak · Alburnus alburnus

Bleak in the River Bray - Boveney

Largest measured bleak: 16.6 cm

The largest bleak measured in Environment Agency surveys of the River Bray - Boveney was 16.6 cm, recorded at Bray - Boveney, Upper Main Channel on 3 September 2008.

Across 2,023 measured bleak, the median measured length was 8.4 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 Bray - Boveney.

See bleak records across England →

Most recent observation28 July 2025Bray - Boveney, Upper Main Channel · 55 fish
Largest measured bleak
16.6 cm
Median length
8.4 cm
Fish measured
2,023
Survey locations
4

Individual EA measurements

Largest measured bleak

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

LengthSurvey dateSurvey locationSurvey ID
16.6 cm3 Sept 2008Bray - Boveney, Upper Main Channel114287
15.7 cm3 Sept 2008Bray - Boveney, Upper Main Channel114287
15 cm2 Aug 2022Bray - Boveney, Upper Main Channel161310
14.7 cm6 Sept 2016Bray - Boveney, Upper Main Channel149247
14.7 cm6 Sept 2011Bray - Boveney, Upper Main Channel128128
14.7 cm5 Sept 2005Bray- Boveney, Lower Main Channel86293
14.7 cm3 Sept 2003Bray Weir Pool76964
14.6 cm4 Sept 2018Bray - Boveney, Upper Main Channel153304
14.3 cm8 Sept 2009Bray - Boveney, Upper Main Channel118997
14.2 cm8 Sept 2009Bray - Boveney, Upper Main Channel118997

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where bleak were found

Each point marks a survey location with at least one bleak 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 bleak
Bray Weir Pool1 Sept 199828 Jul 202523
Bray - Boveney, Upper Main Channel1 Sept 199828 Jul 202525
Downstream Queens Eyot3 Sept 20083 Sept 20081
Bray- Boveney, Lower Main Channel5 Sept 20055 Sept 20051

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

1998–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 2,023 measured fish were spread across different length ranges.

Smallest
3.4 cm
Lower quarter
7.3 cm
Median
8.4 cm
Upper quarter
10 cm
Largest
16.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bray - Boveney

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

Pike Roach Perch Dace European eel Gudgeon

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 →