RiverFish

Bleak · Alburnus alburnus

Bleak in the Sincil Dyke

Largest measured bleak: 15.3 cm

The largest bleak measured in Environment Agency surveys of the Sincil Dyke was 15.3 cm, recorded at Bardney Locks on 27 September 2007.

Across 160 measured bleak, the median measured length was 12.5 cm.

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

See bleak records across England →

Most recent observation27 September 2007Bardney Locks · 293 fish
Largest measured bleak
15.3 cm
Median length
12.5 cm
Fish measured
160
Survey locations
5

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
15.3 cm27 Sept 2007Bardney Locks107486
15 cm27 Sept 2007Bardney Locks107486
15 cm27 Sept 2007Washingborough107049
14.9 cm17 Jul 1998Bardney Locks53413
14.7 cm23 Jul 1998Lincoln Football Ground53409
14.6 cm23 Jul 1998Lincoln Football Ground53409
14.4 cm27 Sept 2007Bardney Locks107486
14.4 cm27 Sept 2007Bardney Locks107486
14.3 cm6 Oct 2000Bardney Locks59028
14.3 cm23 Jul 1998Lincoln Football Ground53409

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
Washingborough17 May 198827 Sept 20073
Bardney Locks19 May 198827 Sept 20074
Lincoln Football Ground18 May 198823 Jul 19983
Boundary Farm21 Jul 199821 Jul 19981
Five Mile House10 Jul 199810 Jul 19981

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

1988–2007

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 160 measured fish were spread across different length ranges.

Smallest
6.4 cm
Lower quarter
11.2 cm
Median
12.5 cm
Upper quarter
13.3 cm
Largest
15.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Sincil Dyke

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

Roach Perch Common bream Pike Dace Gudgeon

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 →