RiverFish

Bleak · Alburnus alburnus

Bleak in the River East Fen Catchwater

Largest measured bleak: 16.1 cm

The largest bleak measured in Environment Agency surveys of the River East Fen Catchwater was 16.1 cm, recorded at Bar Bridge Farm on 29 May 1987.

Across 38 measured bleak, the median measured length was 11.8 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 East Fen Catchwater.

See bleak records across England →

Most recent observation17 May 2006Downstream Staunch Farm · 2 fish
Largest measured bleak
16.1 cm
Median length
11.8 cm
Fish measured
38
Survey locations
3

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
16.1 cm29 May 1987Bar Bridge Farm58210
14.6 cm29 May 1987Bar Bridge Farm58210
14.3 cm29 May 1987Bar Bridge Farm58210
14.3 cm29 May 1987Bar Bridge Farm58210
13.9 cm29 May 1987Bar Bridge Farm58210
13.4 cm29 May 1987Bar Bridge Farm58210
13.2 cm22 Apr 1993Downstream Staunch Farm58236
13.2 cm11 May 1987Downstream Staunch Farm58209
13.1 cm28 Apr 1993Keal Cotes58238
13.1 cm28 Apr 1993Keal Cotes58238

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
Downstream Staunch Farm11 May 198717 May 20063
Keal Cotes19 May 198728 Apr 19932
Bar Bridge Farm29 May 198729 May 19871

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

1987–2006

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 38 measured fish were spread across different length ranges.

Smallest
5.9 cm
Lower quarter
9.9 cm
Median
11.9 cm
Upper quarter
13 cm
Largest
16.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River East Fen Catchwater

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

Perch Pike Roach Ruffe Gudgeon 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 →