Roach · Rutilus rutilus

Roach in the Nadder Flint / Non Flint Sites

Largest measured roach: 15.4 cm

The largest roach measured in Environment Agency surveys of the Nadder Flint / Non Flint Sites was 15.4 cm, recorded at Nadder Flint Site C on 22 October 2014.

Across 5 measured roach, the median measured length was 14.5 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Nadder Flint / Non Flint Sites.

See roach records across England →

Most recent observation22 October 2014Nadder (Non) Flint Site A Comparison · 1 fish
Largest measured roach
15.4 cm
Median length
14.5 cm
Fish measured
5
Survey locations
3

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
15.4 cm22 Oct 2014Nadder Flint Site C143712
14.6 cm22 Oct 2014Nadder Flint Site B143714
14.5 cm22 Oct 2014Nadder (Non) Flint Site A Comparison143717
13.4 cm22 Oct 2014Nadder Flint Site C143712
11.9 cm22 Oct 2014Nadder Flint Site C143712

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
Nadder Flint Site C22 Oct 201422 Oct 20141
Nadder Flint Site B22 Oct 201422 Oct 20141
Nadder (Non) Flint Site A Comparison22 Oct 201422 Oct 20141

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

2014–2014

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 5 measured fish were spread across different length ranges.

Smallest
11.9 cm
Lower quarter
13.4 cm
Median
14.5 cm
Upper quarter
14.6 cm
Largest
15.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Nadder Flint / Non Flint Sites

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 →