Bleak · Alburnus alburnus

Bleak in the North Drove Drain

Largest measured bleak: 17.5 cm

The largest bleak measured in Environment Agency surveys of the North Drove Drain was 17.5 cm, recorded at Grays Farm on 4 July 1994.

Across 100 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 North Drove Drain.

See bleak records across England →

Most recent observation6 July 1994Shillakers Farm · 6 fish

Largest measured bleak: 17.5 cm
Median length: 12.5 cm
Fish measured: 100
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.

Length	Survey date	Survey location	Survey ID
17.5 cm	4 Jul 1994	Grays Farm	54659
17.5 cm	4 Jul 1994	Grays Farm	54659
16 cm	4 Jul 1994	Grays Farm	54659
16 cm	4 Jul 1994	Grays Farm	54659
16 cm	4 Jul 1994	Grays Farm	54659
15 cm	6 Jul 1994	Shillakers Farm	54658
15 cm	6 Jul 1994	Shillakers Farm	54658
15 cm	4 Jul 1994	Grays Farm	54659
15 cm	4 Jul 1994	Grays Farm	54659
15 cm	4 Jul 1994	Grays Farm	54659

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 surveyed	First recorded	Last recorded	Visits finding bleak
Shillakers Farm	30 Aug 1991	6 Jul 1994	2
Grays Farm	29 Aug 1991	4 Jul 1994	2
Downstream Cuckoo Bridge	29 Jun 1994	29 Jun 1994	1
North Drove Drain Upstream Pode Hole	28 Jun 1994	28 Jun 1994	1
Upstream Cuckoo Bridge	15 Aug 1991	15 Aug 1991	1

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

1991–1994

Survey records by year

Each bar shows how many survey visits recorded bleak that year.

391

092

093

494

Fish measured by surveyors

Measured length distribution

See how the 100 measured fish were spread across different length ranges.

Smallest: 6 cm
Lower quarter: 10.5 cm
Median: 12.5 cm
Upper quarter: 14 cm
Largest: 17.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the North Drove Drain

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

Pike Roach Tench Perch Common bream 3-spined stickleback

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 →