RiverFish

Roach · Rutilus rutilus

Roach in the Great Eau Riffles

Largest measured roach: 15.2 cm

The largest roach measured in Environment Agency surveys of the Great Eau Riffles was 15.2 cm, recorded at No Name - LIN29X on 24 August 1994.

Across 14 measured roach, the median measured length was 12.4 cm.

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

See roach records across England →

Most recent observation8 October 1996No Name - LIN28X · 1 fish
Largest measured roach
15.2 cm
Median length
12.4 cm
Fish measured
14
Survey locations
2

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
15.2 cm24 Aug 1994No Name - LIN29X69590
14.8 cm21 Sept 1995No Name - LIN29X69617
14.4 cm21 Sept 1995No Name - LIN29X69617
14.2 cm25 Sept 1995No Name - LIN28X69616
13.6 cm24 Aug 1994No Name - LIN29X69590
13.2 cm21 Sept 1995No Name - LIN29X69617
13.2 cm24 Aug 1994No Name - LIN29X69590
11.7 cm24 Aug 1994No Name - LIN29X69590
11.4 cm24 Aug 1994No Name - LIN28X69589
11.2 cm24 Aug 1994No Name - LIN29X69590

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
No Name - LIN28X24 Aug 19948 Oct 19963
No Name - LIN29X24 Aug 199421 Sept 19952

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

1994–1996

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 14 measured fish were spread across different length ranges.

Smallest
4.6 cm
Lower quarter
11.2 cm
Median
12.5 cm
Upper quarter
14.1 cm
Largest
15.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Great Eau Riffles

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

Grayling Brown / sea trout Rainbow trout Dace

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 →