RiverFish

Bleak · Alburnus alburnus

Bleak in the River Welland

Largest measured bleak: 16.5 cm

The largest bleak measured in Environment Agency surveys of the River Welland was 16.5 cm, recorded at Wisbech Road on 24 September 1996.

Across 974 measured bleak, the median measured length was 9.5 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 Welland.

See bleak records across England →

Most recent observation10 October 2024Sandy Lane · 1 fish
Largest measured bleak
16.5 cm
Median length
9.5 cm
Fish measured
974
Survey locations
19

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
16.5 cm24 Sept 1996Wisbech Road54218
16.5 cm11 Jul 1996Peg 39754215
16.5 cm11 Jul 1996Peg 39754215
16.2 cm17 Oct 2023Stamford Meadows163616
16 cm24 Sept 1996Wisbech Road54218
15.5 cm24 Sept 1996Wisbech Road54218
15.5 cm24 Sept 1996Wisbech Road54218
15.5 cm24 Sept 1996Wisbech Road54218
15.5 cm24 Sept 1996Wisbech Road54218
15.5 cm24 Sept 1996Wisbech Road54218

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
Sandy Lane11 Jul 199010 Oct 20247
Stamford Meadows8 Jun 200417 Oct 20237
Blackgate13 Aug 199620 May 20104
Downstream Tinwell weir2 Sept 20092 Sept 20091
Downstream Lolham Mill Stream18 Jun 199625 Jun 20084
Downstream Duddington Road Bridge10 May 200710 May 20071
Downstream Harringworth Road Bridge25 Jun 200225 Jun 20021
Wisbech Road10 Jun 199324 Sept 19962
Downstream Clay Lake Bridge9 Jun 199318 Sept 19962
Welland Yacht Club11 Oct 199017 Sept 19962
Peg 3971 Jun 199311 Jul 19962
Downstream Hudds Mill - back channel19 Jun 199619 Jun 19961
No 2 Clay Lake28 Jun 199328 Jun 19931
Downstream Crowland Bridge26 May 199326 May 19931
Downstream Gunthorpe Road Bridge3 Oct 199028 Apr 19932
Upstream A16 Road Bridge2 Oct 19906 Apr 19932
Downstream Lolham Bridge17 Sept 199017 Sept 19901
Downstream High Locks30 Aug 199030 Aug 19901
Tallington Mill Upstream10 Jul 199010 Jul 19901

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

1990–2024

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 974 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
8 cm
Median
9.5 cm
Upper quarter
11.5 cm
Largest
16.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Welland

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

Pike Dace European eel Roach Perch Gudgeon

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 →