Roach · Rutilus rutilus

Roach in the River Ingrebourne

Largest measured roach: 25.5 cm

The largest roach measured in Environment Agency surveys of the River Ingrebourne was 25.5 cm, recorded at Upstream Riverside STW on 15 May 1996.

Across 166 measured roach, the median measured length was 12.6 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 Ingrebourne.

See roach records across England →

Most recent observation30 April 2024Hacton Lane · 7 fish
Largest measured roach
25.5 cm
Median length
12.6 cm
Fish measured
166
Survey locations
5

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
25.5 cm15 May 1996Upstream Riverside STW104006
25.5 cm15 May 1996Upstream Riverside STW104006
25 cm25 Oct 2005Hacton Lane87372
24.4 cm15 May 1996Upstream Riverside STW104006
23.8 cm15 May 1996Upstream Riverside STW104006
23.7 cm15 May 1996Upstream Riverside STW104006
23.4 cm15 May 1996Upstream Riverside STW104006
23.4 cm15 May 1996Upstream Riverside STW104006
23 cm2 May 2000Hacton Lane103417
22.9 cm15 May 1996Upstream Riverside STW104006

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
Hacton Lane16 Apr 199630 Apr 20247
Squadrons Approach19 Oct 200530 Oct 20182
Cockabourne Bridge25 May 201225 May 20121
Upminster Golf Course25 Apr 199611 Nov 20054
Upstream Riverside STW15 May 199615 May 19961

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

1996–2024

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 166 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
6.3 cm
Median
12.6 cm
Upper quarter
16 cm
Largest
25.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ingrebourne

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 →