Bleak · Alburnus alburnus

Bleak in the Bellwater Drain

Largest measured bleak: 15.1 cm

The largest bleak measured in Environment Agency surveys of the Bellwater Drain was 15.1 cm, recorded at Bellwater Farm on 20 September 2019.

Across 369 measured bleak, the median measured length was 11 cm.

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

See bleak records across England →

Most recent observation20 September 2019Bellwater Farm · 98 fish
Largest measured bleak
15.1 cm
Median length
11 cm
Fish measured
369
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
15.1 cm20 Sept 2019Bellwater Farm156034
14.7 cm20 Sept 2019Bellwater Farm156034
14.3 cm21 Jun 1996Bellwater Farm57845
14.2 cm20 Sept 2019Bellwater Farm156034
14.2 cm20 Sept 2019Bellwater Farm156034
14.2 cm21 Jun 1996Bellwater Farm57845
14.1 cm22 Aug 1990Hemholme Bridge57818
13.8 cm22 Aug 1990Hemholme Bridge57818
13.7 cm21 Jun 1996Bellwater Farm57845
13.7 cm22 Aug 1990Hemholme Bridge57818

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
Bellwater Farm1 Jul 199320 Sept 20194
Hemholme Bridge22 Aug 199024 Jun 19963
Thorpe Fen18 Jun 199318 Jun 19931

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

1990–2019

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 369 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
9.8 cm
Median
11 cm
Upper quarter
11.7 cm
Largest
15.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bellwater Drain

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 →