Barbel · Barbus barbus

Barbel in the River Marlow - Cookham

Largest measured barbel: 68 cm

The largest barbel measured in Environment Agency surveys of the River Marlow - Cookham was 68 cm, recorded at Marlow - Cookham Upper Main Channel on 6 September 2010.

Across 6 measured barbel, the median measured length was 60.1 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 Marlow - Cookham.

See barbel records across England →

Most recent observation3 September 2018Marlow - Cookham Upper Main Channel · 1 fish

Largest measured barbel: 68 cm
Median length: 60.1 cm
Fish measured: 6
Survey locations: 2

Individual EA measurements

Largest measured barbel

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
68 cm	6 Sept 2010	Marlow - Cookham Upper Main Channel	124083
66.8 cm	31 Aug 2005	Marlow Weir Pool	86315
63.2 cm	31 Aug 2005	Marlow Weir Pool	86315
57 cm	31 Aug 2005	Marlow Weir Pool	86315
49.5 cm	1 Sept 1995	Marlow Weir Pool	121561
9.2 cm	3 Sept 2018	Marlow - Cookham Upper Main Channel	153313

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where barbel were found

Each point marks a survey location with at least one barbel 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 barbel
Marlow - Cookham Upper Main Channel	1 Sept 2001	3 Sept 2018	3
Marlow Weir Pool	1 Sept 1995	31 Aug 2005	2

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

1995–2018

Survey records by year

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

195

096

097

098

099

000

101

002

003

004

105

006

007

008

009

110

011

012

013

014

015

016

017

118

Fish measured by surveyors

Measured length distribution

See how the 6 measured fish were spread across different length ranges.

Smallest: 9.2 cm
Lower quarter: 51.4 cm
Median: 60.1 cm
Upper quarter: 65.9 cm
Largest: 68 cm

0–99 mm

400–499 mm

500–599 mm

600–699 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Marlow - Cookham

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

Bleak Perch Pike Roach Chub Dace

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 →