Bleak · Alburnus alburnus

Bleak in the Wainfleet Relief Channel (River Steeping)

Largest measured bleak: 16.3 cm

The largest bleak measured in Environment Agency surveys of the Wainfleet Relief Channel (River Steeping) was 16.3 cm, recorded at Lentons Bridge on 7 April 1993.

Across 1,899 measured bleak, the median measured length was 11.4 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Wainfleet Relief Channel (River Steeping).

See bleak records across England →

Most recent observation27 May 2016Lentons Bridge · 8 fish
Largest measured bleak
16.3 cm
Median length
11.4 cm
Fish measured
1,899
Survey locations
1

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
16.3 cm7 Apr 1993Lentons Bridge58194
16 cm9 Jul 2009Lentons Bridge117793
16 cm7 Apr 1993Lentons Bridge58194
15.6 cm7 Apr 1993Lentons Bridge58194
15.5 cm1 May 1996Lentons Bridge58161
15.5 cm7 Apr 1993Lentons Bridge58194
15.4 cm7 Apr 1993Lentons Bridge58194
15.4 cm7 Apr 1993Lentons Bridge58194
15.3 cm7 Apr 1993Lentons Bridge58194
15.2 cm1 May 1996Lentons Bridge58161

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
Lentons Bridge3 Dec 198727 May 201613

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

1987–2016

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 1,899 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
9.3 cm
Median
11.4 cm
Upper quarter
12.2 cm
Largest
16.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Wainfleet Relief Channel (River Steeping)

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 →