Bleak · Alburnus alburnus

Bleak in the Medlam Drain

Largest measured bleak: 15.3 cm

The largest bleak measured in Environment Agency surveys of the Medlam Drain was 15.3 cm, recorded at Hakerley Bridge on 24 October 1990.

Across 65 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 Medlam Drain.

See bleak records across England →

Most recent observation4 July 2016Skirbeck Farm · 29 fish

Largest measured bleak: 15.3 cm
Median length: 11.3 cm
Fish measured: 65
Survey locations: 4

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
15.3 cm	24 Oct 1990	Hakerley Bridge	58257
15 cm	3 Jul 2001	Medlam Bridge	59049
14.9 cm	4 Jul 2016	Skirbeck Farm	148632
14.8 cm	4 Jul 2016	Skirbeck Farm	148632
14.7 cm	26 Jun 2013	Medlam Bridge	137038
14.5 cm	4 Jul 2016	Skirbeck Farm	148632
14.4 cm	4 Jul 2016	Skirbeck Farm	148632
14.2 cm	4 Jul 2016	Skirbeck Farm	148632
14.2 cm	17 Jun 2016	Medlam Bridge	148347
14.2 cm	17 Jun 2016	Medlam Bridge	148347

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
Skirbeck Farm	14 Nov 1990	4 Jul 2016	4
Medlam Bridge	3 Jul 2001	17 Jun 2016	3
Hakerley Bridge	24 Oct 1990	11 Aug 2011	3
Frithville	18 May 1993	9 Aug 2011	2

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

1990–2016

Survey records by year

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

290

091

092

393

094

095

096

097

098

099

000

101

002

003

004

005

006

007

008

009

010

211

012

213

014

015

216

Fish measured by surveyors

Measured length distribution

See how the 65 measured fish were spread across different length ranges.

Smallest: 6.2 cm
Lower quarter: 10.3 cm
Median: 11.3 cm
Upper quarter: 13.7 cm
Largest: 15.3 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Medlam Drain

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

Perch Pike Roach Common bream Tench 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 →