RiverFish

Bleak · Alburnus alburnus

Bleak in the River Boulters - Bray

Largest measured bleak: 15.1 cm

The largest bleak measured in Environment Agency surveys of the River Boulters - Bray was 15.1 cm, recorded at Boulters - Bray, Main Channel on 10 September 2002.

Across 1,093 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 Boulters - Bray.

See bleak records across England →

Most recent observation28 July 2023Boulters Weir Stream · 1 fish
Largest measured bleak
15.1 cm
Median length
8.4 cm
Fish measured
1,093
Survey locations
2

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
15.1 cm10 Sept 2002Boulters - Bray, Main Channel69020
14.4 cm7 Sept 2004Boulters Weir Stream82357
14.3 cm2 Sept 2003Boulters Weir Stream77773
14.2 cm1 Sept 2005Boulters - Bray, Main Channel86308
14.1 cm10 Sept 2002Boulters - Bray, Main Channel69020
14 cm5 Sept 2006Boulters Weir Stream101389
13.9 cm7 Sept 2004Boulters Weir Stream82357
13.7 cm2 Sept 2003Boulters - Bray, Main Channel77417
13.6 cm2 Sept 2003Boulters Weir Stream77773
13.5 cm7 Sept 2004Boulters Weir Stream82357

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
Boulters Weir Stream1 Sept 199528 Jul 202323
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.

1995–2023

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 1,093 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
7.5 cm
Median
8.4 cm
Upper quarter
9.5 cm
Largest
15.1 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.

Pike Dace Roach 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 →