RiverFish

Bleak · Alburnus alburnus

Bleak in the River DS Wissey

Largest measured bleak: 14.8 cm

The largest bleak measured in Environment Agency surveys of the River DS Wissey was 14.8 cm, recorded at Catsholme Pump on 30 June 1993.

Across 569 measured bleak, the median measured length was 9.8 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 DS Wissey.

See bleak records across England →

Most recent observation6 August 2024Hilgay Moorings · 24 fish
Largest measured bleak
14.8 cm
Median length
9.8 cm
Fish measured
569
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
14.8 cm30 Jun 1993Catsholme Pump29915
14.3 cm30 May 1996Stoke Ferry29924
14.3 cm30 Jun 1993Catsholme Pump29915
14 cm3 Jul 2012Catsholme Pump131701
13.8 cm18 Apr 2000Methwold Lode29880
13.8 cm30 May 1996Stoke Ferry29924
13.3 cm18 Apr 2000Methwold Lode29880
13.3 cm23 May 1996Oxborough Ferry29922
13.3 cm11 Jun 1993Oxborough Ferry29911
12.8 cm4 Jul 2012Hilgay Moorings132263

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
Hilgay Moorings21 May 19916 Aug 20247
Catsholme Pump30 Jun 19931 Aug 20245
Wissington Beet11 Jun 199120 Aug 20075
Fordham Fen2 Jul 199616 Jun 20002
Hilgay Fen31 May 199611 May 20002
Methwold Lode3 Jul 199618 Apr 20002
Hilgay Bridge14 Jun 19914 Jun 19962
Hilgay3 Jun 19963 Jun 19961
Stoke Ferry30 May 199630 May 19961
Whittington21 Jun 199329 May 19962
Oxborough Ferry11 Jun 199323 May 19962

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

1991–2024

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 569 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
9.3 cm
Median
9.8 cm
Upper quarter
10.8 cm
Largest
14.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River DS Wissey

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

Pike Roach Perch Common bream Dace European eel

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 →