RiverFish

Roach · Rutilus rutilus

Roach in the River Wey Combined

Largest measured roach: 36.5 cm

The largest roach measured in Environment Agency surveys of the River Wey Combined was 36.5 cm, recorded at Walsham Loop on 17 July 2006.

Across 3,141 measured roach, the median measured length was 9 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 Wey Combined.

See roach records across England →

Most recent observation7 July 2023Byfleet at Brooklands · 3 fish
Largest measured roach
36.5 cm
Median length
9 cm
Fish measured
3,141
Survey locations
13

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
36.5 cm17 Jul 2006Walsham Loop100178
28.1 cm11 Oct 1989Byfleet at Brooklands116940
25.1 cm24 Jun 2014Newark Priory141305
23.5 cm11 Oct 1989Byfleet at Brooklands116940
23.1 cm1 Jun 2005Walsham Loop84636
23.1 cm11 Oct 1989Byfleet at Brooklands116940
23 cm11 Oct 1989Byfleet at Brooklands116940
22.8 cm25 Jun 2014Woodbridge Meadows141301
22.3 cm11 Oct 1989Byfleet at Brooklands116940
22.2 cm30 Jun 2010Eashing Bridge122834

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
Newark Priory1 Jul 20037 Jul 202310
Byfleet at Brooklands11 Oct 19897 Jul 202312
Eashing Bridge18 Jun 200228 Jun 202313
Wey Meadows15 Sept 201915 Sept 20191
Woodbridge Meadows25 Jun 201423 Jul 20152
Upstream Broadford Bridge25 Jun 201423 Jul 20152
Downstream Broadmead15 Jul 201423 Jul 20152
Millmead Loop25 Jun 20027 Jul 20098
Sutton Place29 May 200316 Jul 20085
Walsham Loop20 May 20027 Jul 20086
Upstream Weybridge Lock11 Sept 200711 Sept 20071
Unstead Loop7 May 20026 Jun 20076
Broadmead Loop20 Jun 200220 Jun 20021

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

1989–2023

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 3,141 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
6.5 cm
Median
9 cm
Upper quarter
11.4 cm
Largest
36.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wey Combined

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

Perch Pike Dace Bleak Chub Gudgeon

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 →