Bleak · Alburnus alburnus

Bleak in the Middle Level Main Drain

Largest measured bleak: 12.5 cm

The largest bleak measured in Environment Agency surveys of the Middle Level Main Drain was 12.5 cm, recorded at Neeps Bridge on 26 July 2023.

Across 5 measured bleak, the median measured length was 9.3 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Middle Level Main Drain.

See bleak records across England →

Most recent observation26 July 2023Neeps Bridge · 1 fish
Largest measured bleak
12.5 cm
Median length
9.3 cm
Fish measured
5
Survey locations
3

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
12.5 cm26 Jul 2023Neeps Bridge162774
10.3 cm30 Sept 1999Peter's Drove Bridge29616
9.3 cm23 Sept 1991Wiggenhall St Marys29602
8.8 cm23 Sept 1991Wiggenhall St Marys29602
8.3 cm23 Sept 1991Wiggenhall St Marys29602

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
Neeps Bridge19 Aug 200926 Jul 20232
Peter's Drove Bridge30 Sept 199930 Sept 19991
Wiggenhall St Marys23 Sept 199123 Sept 19911

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

1991–2023

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 5 measured fish were spread across different length ranges.

Smallest
8.3 cm
Lower quarter
8.8 cm
Median
9.3 cm
Upper quarter
10.3 cm
Largest
12.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Middle Level Main Drain

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 →