Bleak · Alburnus alburnus

Bleak in the River Glynde Reach

Largest measured bleak: 6 cm

The largest bleak measured in Environment Agency surveys of the River Glynde Reach was 6 cm, recorded at Glynde on 5 September 2006.

Across 52 measured bleak, the median measured length was 5 cm.

Surveyors recorded weights for 27 bleak. The median was 0 oz (0.001 kg) and the largest recorded weight was 0.1 oz (0.003 kg).

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

See bleak records across England →

Most recent observation28 June 2016Glynde · 8 fish

Largest measured bleak: 6 cm
Median length: 5 cm
Fish measured: 52
Survey locations: 1

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
6 cm	5 Sept 2006	Glynde	102555
5.5 cm	28 Jun 2016	Glynde	148355
5.5 cm	5 Sept 2006	Glynde	102555
5.5 cm	5 Sept 2006	Glynde	102555
5.5 cm	22 Sept 2003	Glynde	77109
5.4 cm	28 Jun 2016	Glynde	148355
5.4 cm	22 Sept 2003	Glynde	77109
5.3 cm	5 Sept 2006	Glynde	102555
5.3 cm	5 Sept 2006	Glynde	102555
5.2 cm	14 Jul 2011	Glynde	126948

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
Glynde	22 Sept 2003	28 Jun 2016	5

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

2003–2016

Survey records by year

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

103

004

005

106

107

008

009

010

111

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 52 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 4.8 cm
Median: 5 cm
Upper quarter: 5.2 cm
Largest: 6 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 27 bleak. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0 oz (0.001 kg)
Median: 0 oz (0.001 kg)
Upper quarter: 0.1 oz (0.002 kg)
Heaviest: 0.1 oz (0.003 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Glynde Reach

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

European eel Pike Perch Roach Rudd Common 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 →