Barbel · Barbus barbus

Barbel in the River Colnebrook

Largest measured barbel: 70 cm

The largest barbel measured in Environment Agency surveys of the River Colnebrook was 70 cm, recorded at Hythe End on 4 July 2012.

Across 25 measured barbel, the median measured length was 55.2 cm.

Surveyors recorded one individual weight: 6.8 oz (0.192 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 Colnebrook.

See barbel records across England →

Most recent observation2 June 2026Wraysbury · 1 fish
Largest measured barbel
70 cm
Median length
55.2 cm
Fish measured
25
Survey locations
5

Individual EA measurements

Largest measured barbel

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
70 cm4 Jul 2012Hythe End132439
65.8 cm14 Aug 2002Hythe End72405
65.4 cm5 Aug 2004Hythe End80912
64.4 cm3 Jun 2015Wraysbury144819
62.5 cm12 Jun 2008Hythe End111357
62.1 cm23 Apr 2010Horton Downstream site121426
61.1 cm23 Apr 2010Horton Middle Site121429
60.9 cm23 Apr 2010Horton Middle Site121429
59.5 cm20 Nov 2001Hythe End73303
57.2 cm3 Jun 2010Hythe End121759

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 surveyedFirst recordedLast recordedVisits finding barbel
Wraysbury3 Jun 20152 Jun 20265
Hythe End20 Nov 20014 Jul 20127
Thorney Golf Course16 Jul 20046 Jun 20125
Horton Middle Site23 Apr 201023 Apr 20101
Horton Downstream site23 Apr 201023 Apr 20101

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

2001–2026

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 25 measured fish were spread across different length ranges.

Smallest
6.3 cm
Lower quarter
25.8 cm
Median
55.2 cm
Upper quarter
61.1 cm
Largest
70 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
6.8 oz (0.192 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 Colnebrook

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 →