RiverFish

Bleak · Alburnus alburnus

Bleak in the Whittlesey Dyke

Largest measured bleak: 15.8 cm

The largest bleak measured in Environment Agency surveys of the Whittlesey Dyke was 15.8 cm, recorded at Burnthouse Bridge on 5 July 1994.

Across 81 measured bleak, the median measured length was 10.4 cm.

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

See bleak records across England →

Most recent observation6 July 2023Engine Farm · 5 fish
Largest measured bleak
15.8 cm
Median length
10.4 cm
Fish measured
81
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
15.8 cm5 Jul 1994Burnthouse Bridge29764
15.3 cm5 Jul 1994Burnthouse Bridge29764
15.3 cm1 Jun 1987Engine Farm29755
14.3 cm6 Jul 2023Engine Farm162499
14.3 cm27 Jun 1991Angle Corner Bridge29758
14.3 cm1 Jun 1987Engine Farm29755
14 cm13 Jun 2006Ashline Lock90947
13.8 cm5 Jul 1994Burnthouse Bridge29764
13.8 cm27 Jun 1991Angle Corner Bridge29758
13.8 cm1 Jun 1987Engine Farm29755

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
Engine Farm1 Jun 19876 Jul 20235
Ashline Lock26 Jun 199113 Jun 20064
Burnthouse Bridge5 Jul 199412 Jun 20062
Angle Corner Bridge27 Jun 199127 Jun 19911

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

1987–2023

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 81 measured fish were spread across different length ranges.

Smallest
8 cm
Lower quarter
9.8 cm
Median
10.4 cm
Upper quarter
11.3 cm
Largest
15.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Whittlesey Dyke

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

Common bream Perch Pike Roach Tench Silver bream

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 →