Bleak · Alburnus alburnus

Bleak in the River Wey Combined

Largest measured bleak: 15.7 cm

The largest bleak measured in Environment Agency surveys of the River Wey Combined was 15.7 cm, recorded at Byfleet at Brooklands on 15 June 2006.

Across 1,169 measured bleak, the median measured length was 9.4 cm.

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

See bleak records across England →

Most recent observation7 July 2023Byfleet at Brooklands · 3 fish
Largest measured bleak
15.7 cm
Median length
9.4 cm
Fish measured
1,169
Survey locations
11

Individual EA measurements

Largest measured bleak

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
15.7 cm15 Jun 2006Byfleet at Brooklands90976
15.5 cm30 Jun 2011Byfleet at Brooklands127153
14.5 cm6 Jun 2007Unstead Loop105500
14.5 cm15 Jun 2006Byfleet at Brooklands90976
14.2 cm7 Jul 2008Walsham Loop111972
14.2 cm17 Jun 2004Byfleet at Brooklands80149
14.1 cm29 Jun 2006Millmead Loop99827
13.8 cm6 Jun 2007Unstead Loop105500
13.8 cm25 May 2007Newark Priory105423
13.8 cm20 May 2002Walsham Loop52100

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 surveyedFirst recordedLast recordedVisits finding bleak
Newark Priory1 Jul 20037 Jul 202310
Byfleet at Brooklands11 Oct 19897 Jul 202312
Wey Meadows15 Sept 201915 Sept 20191
Downstream Broadmead15 Jul 201415 Jul 20141
Millmead Loop25 Jun 20027 Jul 20096
Walsham Loop20 May 20027 Jul 20086
Upstream Weybridge Lock11 Sept 200711 Sept 20071
Unstead Loop8 Jul 20046 Jun 20074
Sutton Place26 May 200511 Jul 20062
Eashing Bridge28 Jun 200528 Jun 20051
Broadmead Loop20 Jun 200220 Jun 20021

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

1989–2023

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 1,169 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
8.3 cm
Median
9.4 cm
Upper quarter
10.7 cm
Largest
15.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wey Combined

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

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 →