RiverFish

Bleak · Alburnus alburnus

Bleak in the River Rmc

Largest measured bleak: 16.4 cm

The largest bleak measured in Environment Agency surveys of the River Rmc was 16.4 cm, recorded at Aldergate Bridge on 4 April 2004.

Across 201 measured bleak, the median measured length was 9.1 cm.

Surveyors recorded weights for 16 bleak. The median was 0.2 oz (0.0065 kg) and the largest recorded weight was 0.9 oz (0.026 kg).

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

See bleak records across England →

Most recent observation1 May 2024Stonebridge Seine Netting · 3 fish
Largest measured bleak
16.4 cm
Median length
9.1 cm
Fish measured
201
Survey locations
9

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
16.4 cm4 Apr 2004Aldergate Bridge83139
15.5 cm23 Sept 2004Aldergate Bridge83138
14.9 cm11 Apr 2012Aldergate Bridge Seine Netting131515
13.7 cm16 Sept 2002Aldergate Bridge72825
13.5 cm11 Apr 2012Aldergate Bridge Seine Netting131515
13.5 cm4 Apr 2012Appledore Seine Netting131510
13.5 cm7 Apr 2010Aldergate Bridge Seine Netting131518
13.3 cm9 May 2018Stonebridge Seine Netting152524
13.2 cm4 Apr 2012Appledore Seine Netting131510
13.2 cm24 Jun 2003Stonebridge76737

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
Stonebridge Seine Netting13 May 20091 May 20244
Appledore Seine Netting4 Apr 20127 Apr 20152
Aldergate Bridge Seine Netting7 Apr 201011 Apr 20122
Aldergate Bridge16 Sept 200211 Apr 20126
Appledore13 Apr 20104 Apr 20122
Stonebridge16 Oct 200214 Apr 20107
Bilsington11 May 20098 Apr 20102
Ham Street6 May 20086 May 20081
Winchelsea at RMC / Brede Confluence29 Sept 200529 Sept 20051

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

2002–2024

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 201 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
8.2 cm
Median
9.1 cm
Upper quarter
10.3 cm
Largest
16.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 16 bleak. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
0.1 oz (0.004 kg)
Median
0.2 oz (0.0065 kg)
Upper quarter
0.4 oz (0.01 kg)
Heaviest
0.9 oz (0.026 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Rmc

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

Roach Common bream Rudd Pike Tench Perch

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 →