Bleak · Alburnus alburnus

Bleak in the River Burwell Lode

Largest measured bleak: 13.8 cm

The largest bleak measured in Environment Agency surveys of the River Burwell Lode was 13.8 cm, recorded at Burwell on 16 April 1998.

Across 8 measured bleak, the median measured length was 9.7 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 Burwell Lode.

See bleak records across England →

Most recent observation11 June 2014Upware · 3 fish
Largest measured bleak
13.8 cm
Median length
9.7 cm
Fish measured
8
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
13.8 cm16 Apr 1998Burwell29342
11.8 cm18 Oct 1990Cock-Up Bridge29337
9.8 cm11 Jun 2014Upware141188
9.8 cm21 Apr 1993Upware29341
9.5 cm11 Jun 2014Upware141188
9.2 cm11 Jun 2014Upware141188
8.8 cm27 Oct 1987Cock-Up Bridge29334
8.3 cm21 Apr 1993Upware29341

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
Upware21 Apr 199311 Jun 20143
Cock-Up Bridge5 Oct 198415 Jul 20104
Burwell16 Apr 19985 Jul 20102

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

1984–2014

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 8 measured fish were spread across different length ranges.

Smallest
8.3 cm
Lower quarter
9.1 cm
Median
9.7 cm
Upper quarter
10.3 cm
Largest
13.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Burwell Lode

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

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 →