RiverFish

Bleak · Alburnus alburnus

Bleak in the River Bell - Penton Hook

Largest measured bleak: 17.4 cm

The largest bleak measured in Environment Agency surveys of the River Bell - Penton Hook was 17.4 cm, recorded at Bell Main Channel on 16 September 2002.

Across 3,245 measured bleak, the median measured length was 8.8 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 Bell - Penton Hook.

See bleak records across England →

Most recent observation30 July 2025Bell Upper Main · 79 fish
Largest measured bleak
17.4 cm
Median length
8.8 cm
Fish measured
3,245
Survey locations
4

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
17.4 cm16 Sept 2002Bell Main Channel72088
16.6 cm10 Sept 2007Bell Upper Main107207
15.6 cm30 Jul 2023Bell Upper Main164074
15 cm3 Aug 2022Bell Upper Main161314
14.7 cm5 Sept 2018Bell Upper Main153297
14.6 cm14 Sept 2019Bell Upper Main155740
14.6 cm5 Sept 2018Bell Upper Main153297
14.5 cm16 Sept 2002Bell Main Channel72088
14.4 cm30 Jul 2025Bell Upper Main178541
14.4 cm30 Jul 2023Bell Upper Main164074

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
Bell Upper Main10 Sept 200730 Jul 202516
Bell Lower Main10 Sept 20075 Sept 20136
Bell Weir1 Sept 200010 Sept 20076
Bell Main Channel1 Sept 199511 Sept 20066

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

1995–2025

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 3,245 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
7.8 cm
Median
8.8 cm
Upper quarter
9.9 cm
Largest
17.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bell - Penton Hook

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

European eel Dace Pike Perch Roach Chub

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 →