Bleak · Alburnus alburnus

Bleak in the River Timberland Delph

Largest measured bleak: 14.4 cm

The largest bleak measured in Environment Agency surveys of the River Timberland Delph was 14.4 cm, recorded at Delph Outfall Upstream Timberland on 22 June 2006.

Across 14 measured bleak, the median measured length was 11.2 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 Timberland Delph.

See bleak records across England →

Most recent observation5 July 2010Delph Outfall Upstream Timberland · 2 fish
Largest measured bleak
14.4 cm
Median length
11.2 cm
Fish measured
14
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
14.4 cm22 Jun 2006Delph Outfall Upstream Timberland99947
13.5 cm2 Apr 1985Delph Outfall Upstream Timberland53055
12.4 cm22 Jun 2006Delph Outfall Upstream Timberland99947
11.8 cm22 Jun 2006Delph Outfall Upstream Timberland99947
11.7 cm2 Apr 1985Delph Outfall Upstream Timberland53055
11.4 cm5 Jul 2010Delph Outfall Upstream Timberland123621
11.2 cm22 Jun 2006Delph Outfall Upstream Timberland99947
11.1 cm26 May 1988Delph Outfall Upstream Timberland53153
10.4 cm2 Apr 1985Delph Outfall Upstream Timberland53055
10.3 cm2 Apr 1985Delph Outfall Upstream Timberland53055

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
Delph Outfall Upstream Timberland2 Apr 19855 Jul 20106

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

1985–2010

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 14 measured fish were spread across different length ranges.

Smallest
8.4 cm
Lower quarter
10.2 cm
Median
11.2 cm
Upper quarter
11.8 cm
Largest
14.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Timberland Delph

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 →