RiverFish

Roach · Rutilus rutilus

Roach in the Chertsey Bourne

Largest measured roach: 26.2 cm

The largest roach measured in Environment Agency surveys of the Chertsey Bourne was 26.2 cm, recorded at Gogmore Park on 19 June 2015.

Across 657 measured roach, the median measured length was 10.5 cm.

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

See roach records across England →

Most recent observation19 June 2015Chertsey Meads · 124 fish
Largest measured roach
26.2 cm
Median length
10.5 cm
Fish measured
657
Survey locations
4

Individual EA measurements

Largest measured roach

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

LengthSurvey dateSurvey locationSurvey ID
26.2 cm19 Jun 2015Gogmore Park144989
25.6 cm19 Jun 2015Gogmore Park144989
25.3 cm19 Jun 2015Gogmore Park144989
24 cm19 Jun 2015Gogmore Park144989
23.7 cm19 Jun 2015Chertsey Meads144992
23.1 cm19 Jun 2015Chertsey Meads144992
22.1 cm19 Jun 2015Chertsey Meads144992
22 cm19 Jun 2015Chertsey Meads144992
22 cm19 Jun 2015Gogmore Park144989
21.5 cm19 Jun 2015Gogmore Park144989

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

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
Gogmore Park29 Mar 201219 Jun 20152
Chertsey Meads19 Oct 198919 Jun 20156
Virginia Water Station3 Jun 20143 Jun 20141
Lyne Road Bridge12 Jun 200324 Apr 20062

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

1989–2015

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 657 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
8.5 cm
Median
10.5 cm
Upper quarter
12.7 cm
Largest
26.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Chertsey Bourne

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

Perch Chub Dace European eel Gudgeon Common bream

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 →