RiverFish

Bleak · Alburnus alburnus

Bleak in the River DS Lt Ouse

Largest measured bleak: 15.3 cm

The largest bleak measured in Environment Agency surveys of the River DS Lt Ouse was 15.3 cm, recorded at Little Ouse Village on 27 June 2012.

Across 121 measured bleak, the median measured length was 11.3 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 DS Lt Ouse.

See bleak records across England →

Most recent observation30 July 2024Little Ouse Village · 19 fish
Largest measured bleak
15.3 cm
Median length
11.3 cm
Fish measured
121
Survey locations
5

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
15.3 cm27 Jun 2012Little Ouse Village131635
14.3 cm23 May 2000Brandon Staunch29842
14.3 cm23 May 2000Brandon Staunch29842
13.8 cm24 Jul 2024Hockwold Common165812
13.8 cm23 May 2000Brandon Staunch29842
13.5 cm24 Jul 2024Hockwold Common165812
13.3 cm24 Jul 2024Hockwold Common165812
13.3 cm23 May 2000Brandon Staunch29842
13.2 cm30 Jul 2024Little Ouse Village166050
13.2 cm24 Jul 2024Hockwold Common165812

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
Little Ouse Village17 May 199330 Jul 20244
Hockwold Common24 Jul 202424 Jul 20241
Brandon Staunch23 May 200024 May 20123
Plantation Farm25 May 200023 Jul 20072
Brandon Fen9 Jun 20009 Jun 20001

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

1993–2024

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 121 measured fish were spread across different length ranges.

Smallest
6.8 cm
Lower quarter
10.1 cm
Median
11.3 cm
Upper quarter
12.4 cm
Largest
15.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River DS Lt Ouse

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

Pike Roach Perch Ruffe European eel 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 →