RiverFish

Roach · Rutilus rutilus

Roach in the River Isle

Largest measured roach: 13.2 cm

The largest roach measured in Environment Agency surveys of the River Isle was 13.2 cm, recorded at Midelney on 11 August 2009.

Across 11 measured roach, the median measured length was 9.9 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 Isle.

See roach records across England →

Most recent observation13 August 2009Midelney · 4 fish
Largest measured roach
13.2 cm
Median length
9.9 cm
Fish measured
11
Survey locations
1

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
13.2 cm11 Aug 2009Midelney118366
13 cm13 Aug 2009Midelney118482
11.5 cm13 Aug 2009Midelney118482
11.5 cm12 Aug 2009Midelney118367
10.2 cm15 Aug 2008Midelney116665
9.9 cm15 Aug 2008Midelney116665
9.5 cm13 Aug 2009Midelney118482
9.5 cm13 Aug 2009Midelney118482
8.9 cm15 Aug 2008Midelney116665
7.2 cm14 Aug 2008Midelney116664

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
Midelney14 Aug 200813 Aug 20095

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

2008–2009

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 11 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
9.2 cm
Median
9.9 cm
Upper quarter
11.5 cm
Largest
13.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Isle

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

Perch

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 →