RiverFish

Bleak · Alburnus alburnus

Bleak in the River Rib

Largest measured bleak: 16.3 cm

The largest bleak measured in Environment Agency surveys of the River Rib was 16.3 cm, recorded at Bengeo Hall on 18 August 2009.

Across 126 measured bleak, the median measured length was 11.6 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 Rib.

See bleak records across England →

Most recent observation28 August 2025Bengeo Hall · 3 fish
Largest measured bleak
16.3 cm
Median length
11.6 cm
Fish measured
126
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 cm18 Aug 2009Bengeo Hall118441
15.7 cm30 Sept 2008Bengeo Hall115031
15.2 cm10 May 2007Bengeo Hall105387
14.8 cm28 Aug 2025Bengeo Hall178391
14.3 cm12 Sept 2023Bengeo Hall163235
14.2 cm21 Oct 2016Bengeo Hall149903
14.2 cm30 Sept 2008Bengeo Hall115031
14.1 cm12 Sept 2023Bengeo Hall163235
13.9 cm21 Oct 2016Bengeo Hall149903
13.9 cm30 Sept 2008Bengeo Hall115031

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
Bengeo Hall10 May 200728 Aug 20257

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

2007–2025

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 126 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
10.5 cm
Median
11.6 cm
Upper quarter
12.5 cm
Largest
16.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rib

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

Brown / sea trout Bullhead Roach Chub Dace Pike

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 →