RiverFish

Roach · Rutilus rutilus

Roach in the River Flood Relief

Largest measured roach: 28 cm

The largest roach measured in Environment Agency surveys of the River Flood Relief was 28 cm, recorded at David Stoker - Holyfield Weir on 16 April 2009.

Across 206 measured roach, the median measured length was 10 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 Flood Relief.

See roach records across England →

Most recent observation16 April 2009David Stoker - Holyfield Weir · 19 fish
Largest measured roach
28 cm
Median length
10 cm
Fish measured
206
Survey locations
11

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
28 cm16 Apr 2009David Stoker - Holyfield Weir117159
26.5 cm16 Jun 1992Holyfield Hall Farm115787
25 cm16 Apr 2009David Stoker - Holyfield Weir117159
24.9 cm7 Jul 1992Waltham Common115816
22.5 cm7 Jul 1992Waltham Common115816
21.5 cm30 Jun 1992Upper Cattlegate115872
19.5 cm6 Jun 1992Fields Weir115813
19 cm7 Jul 1992Waltham Common115816
18.6 cm14 Apr 2009Rammey Marsh Sluice - David Stoker117158
18.5 cm6 Jun 1992Fields Weir115813

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
David Stoker - Holyfield Weir16 Apr 200916 Apr 20091
Rammey Marsh Sluice - David Stoker14 Apr 200914 Apr 20091
New Cut9 Jul 19929 Jul 19921
Waltham Common7 Jul 19927 Jul 19921
Upper Cattlegate30 Jun 199230 Jun 19921
King George Reseviour23 Jun 199223 Jun 19921
Lower Cattlegate18 Jun 199218 Jun 19921
Holyfield Hall Farm16 Jun 199216 Jun 19921
Fields Weir6 Jun 19926 Jun 19921
Kiora Sluice2 Jun 19922 Jun 19921
Nazeing New Road28 May 199228 May 19921

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

1992–2009

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 206 measured fish were spread across different length ranges.

Smallest
3.7 cm
Lower quarter
10 cm
Median
10 cm
Upper quarter
11.2 cm
Largest
28 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Flood Relief

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

European eel Pike Tench Perch Barbel Chub

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 →