Bleak · Alburnus alburnus

Bleak in the Lower Glen

Largest measured bleak: 15 cm

The largest bleak measured in Environment Agency surveys of the Lower Glen was 15 cm, recorded at West Pinchbeck Road Bridge on 18 October 1988.

Across 2,397 measured bleak, the median measured length was 9 cm.

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

See bleak records across England →

Most recent observation24 October 2017Money Bridge · 34 fish

Largest measured bleak: 15 cm
Median length: 9 cm
Fish measured: 2,397
Survey locations: 9

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 cm	18 Oct 1988	West Pinchbeck Road Bridge	109310
15 cm	12 Oct 1988	Tongue End	109309
14.5 cm	5 May 2005	Guthram Gowt	86298
14.5 cm	13 Jun 1994	Thurlby Fen	54319
14 cm	5 May 2005	Guthram Gowt	86298
14 cm	5 May 2005	Guthram Gowt	86298
14 cm	5 May 2005	Guthram Gowt	86298
14 cm	5 May 2005	Guthram Gowt	86298
14 cm	13 Jun 1994	Thurlby Fen	54319
14 cm	30 May 1991	Flax Mill	54310

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
Money Bridge	29 May 1991	24 Oct 2017	4
West Pinchbeck Road Bridge	2 Sept 1986	6 Apr 2009	6
Guthram Gowt	21 May 1991	5 May 2005	3
Flax Mill	30 May 1991	18 Nov 1999	3
Seas End	4 Oct 1994	4 Oct 1994	1
Old Railway Bridge	23 May 1991	26 Sept 1994	2
Thurlby Fen	13 Jun 1994	13 Jun 1994	1
Surfleet Road Bridge	26 Aug 1986	26 May 1994	4
Tongue End	12 Oct 1988	20 May 1991	2

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

1986–2017

Survey records by year

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

286

087

388

089

090

791

092

093

894

095

096

097

098

299

000

001

002

003

004

105

006

107

008

109

010

011

012

013

014

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 2,397 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 8.5 cm
Median: 9 cm
Upper quarter: 10 cm
Largest: 15 cm

0–99 mm

1534

100–199 mm

863

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Lower Glen

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

Pike Perch Roach Ruffe Dace Tench

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 →