Bleak · Alburnus alburnus

Bleak in the Right hand bank (artificial)

Largest measured bleak: 13.5 cm

The largest bleak measured in Environment Agency surveys of the Right hand bank (artificial) was 13.5 cm, recorded at Run 1 on 12 September 2007.

Across 28 measured bleak, the median measured length was 10.8 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Right hand bank (artificial).

See bleak records across England →

Most recent observation12 September 2007Run 1 · 8 fish

Largest measured bleak: 13.5 cm
Median length: 10.8 cm
Fish measured: 28
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.

Length	Survey date	Survey location	Survey ID
13.5 cm	12 Sept 2007	Run 1	107195
13 cm	12 Sept 2007	Run 2	107183
12.7 cm	12 Sept 2007	Run 1	107195
12.6 cm	12 Sept 2007	Run 3	107191
12.6 cm	12 Sept 2007	Run 2	107183
12.5 cm	12 Sept 2007	Run 3	107191
12.1 cm	12 Sept 2007	Run 3	107191
11.6 cm	12 Sept 2007	Run 3	107191
11.5 cm	12 Sept 2007	Run 3	107191
11.4 cm	12 Sept 2007	Run 1	107195

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 surveyed	First recorded	Last recorded	Visits finding bleak
Run 3	12 Sept 2007	12 Sept 2007	1
Run 2	12 Sept 2007	12 Sept 2007	1
Run 1	12 Sept 2007	12 Sept 2007	1

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

2007–2007

Survey records by year

Each bar shows how many survey visits recorded bleak that year.

307

Fish measured by surveyors

Measured length distribution

See how the 28 measured fish were spread across different length ranges.

Smallest: 6.4 cm
Lower quarter: 10.5 cm
Median: 10.9 cm
Upper quarter: 11.7 cm
Largest: 13.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Right hand bank (artificial)

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

Chub Perch Pike Roach Ruffe

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 →