Bleak · Alburnus alburnus

Bleak in the Old West River

Largest measured bleak: 14.3 cm

The largest bleak measured in Environment Agency surveys of the Old West River was 14.3 cm, recorded at Weathersome Common on 9 September 1997.

Across 230 measured bleak, the median measured length was 10.1 cm.

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

See bleak records across England →

Most recent observation13 September 2023Stretham Old Engine · 7 fish

Largest measured bleak: 14.3 cm
Median length: 10.1 cm
Fish measured: 230
Survey locations: 10

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
14.3 cm	9 Sept 1997	Weathersome Common	29999
14.3 cm	9 Sept 1997	Weathersome Common	29999
14.3 cm	9 Sept 1997	Weathersome Common	29999
13.9 cm	13 Sept 2023	Stretham Old Engine	163300
13.8 cm	9 Sept 1997	Weathersome Common	29999
13.8 cm	29 Jul 1993	Flat Bridge Farm	29984
13.4 cm	26 Jun 2014	Willow Grange Farm	141486
13.3 cm	9 Sept 1997	Weathersome Common	29999
13.3 cm	9 Sept 1997	Weathersome Common	29999
13.3 cm	9 Sept 1997	Weathersome Common	29999

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
Stretham Old Engine	17 Aug 1993	13 Sept 2023	8
Smithy Fen Farm	17 Oct 2006	7 Sept 2023	3
Flat Bridge Farm	5 Jul 1988	6 Sept 2023	8
Hermitage Marina	27 Jul 1993	5 Sept 2023	10
Willow Grange Farm	24 Oct 2006	26 Jun 2014	2
Australia Farm	7 Jul 1988	18 Oct 2006	2
Ewell Fen	12 Oct 2006	12 Oct 2006	1
Weathersome Common	26 Jul 1988	10 Oct 2006	3
Stretham Ferry Lagoon (No 2)	3 Nov 2005	3 Nov 2005	1
Stretham Ferry Lagoon (No 1)	3 Nov 2005	3 Nov 2005	1

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

1988–2023

Survey records by year

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

388

089

090

091

092

393

094

095

096

297

098

099

100

001

002

303

304

505

806

107

008

209

010

011

012

013

314

015

016

117

018

019

020

021

022

423

Fish measured by surveyors

Measured length distribution

See how the 230 measured fish were spread across different length ranges.

Smallest: 8.3 cm
Lower quarter: 9.5 cm
Median: 10.1 cm
Upper quarter: 11.2 cm
Largest: 14.3 cm

0–99 mm

100–199 mm

137

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Old West River

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

Perch Roach Pike Bitterling Tench 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 →