RiverFish

Barbel · Barbus barbus

Barbel in the River Mole

Largest measured barbel: 68.4 cm

The largest barbel measured in Environment Agency surveys of the River Mole was 68.4 cm, recorded at Downstream Painshill on 28 September 2010.

Across 198 measured barbel, the median measured length was 15.3 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 Mole.

See barbel records across England →

Most recent observation29 July 2025Castlefields · 16 fish
Largest measured barbel
68.4 cm
Median length
15.3 cm
Fish measured
198
Survey locations
9

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
68.4 cm28 Sept 2010Downstream Painshill124243
60.2 cm17 Oct 2012Old Mole Channel134330
59 cm28 Sept 2010Downstream Painshill124243
58.4 cm2 Oct 2003Box Hill77688
57.8 cm29 Jul 2025Castlefields180331
55.6 cm2 Oct 2003Box Hill77688
54.6 cm20 Oct 2015Box Hill147235
53.4 cm29 Jul 2025Castlefields180331
52.8 cm6 Oct 2009Downstream Painshill119637
52.6 cm11 Feb 1993Box Hill103121

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
Castlefields29 Jul 202529 Jul 20251
Norbury Park, Near Mickleham28 Aug 200217 Jul 20253
Downstream Painshill23 Oct 20073 Jul 20254
Downstream Downside Mill24 Jun 202524 Jun 20251
Box Hill11 Feb 199320 Oct 201511
Meath Green Farm, Horley30 Sept 201530 Sept 20151
Old Mole Channel17 Oct 201217 Oct 20121
Horley Swimming Baths28 Sept 200417 Nov 20052
Below Downside Bridge, Cobham.19 Oct 200519 Oct 20051

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

1993–2025

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 198 measured fish were spread across different length ranges.

Smallest
5.7 cm
Lower quarter
10.4 cm
Median
15.4 cm
Upper quarter
24.5 cm
Largest
68.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Mole

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

Roach Dace Chub Gudgeon Minnow Stone loach

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 →