RiverFish

Roach · Rutilus rutilus

Roach in the River Oxfordshire Ray

Largest measured roach: 21.6 cm

The largest roach measured in Environment Agency surveys of the River Oxfordshire Ray was 21.6 cm, recorded at New River Ray - Oddington on 7 April 2014.

Across 141 measured roach, the median measured length was 11 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 Oxfordshire Ray.

See roach records across England →

Most recent observation9 April 2026New River Ray - Oddington · 37 fish
Largest measured roach
21.6 cm
Median length
11 cm
Fish measured
141
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
21.6 cm7 Apr 2014New River Ray - Oddington140633
20.6 cm20 Nov 2003Islip78691
20.2 cm20 Nov 2003New River Ray - Oddington78686
19.4 cm9 Apr 2026New River Ray - Oddington180913
19.3 cm9 Apr 2026New River Ray - Oddington180913
19.2 cm9 Apr 2026New River Ray - Oddington180913
19.1 cm9 Apr 2026New River Ray - Oddington180913
18.4 cm7 Apr 2014New River Ray - Oddington140633
18.2 cm7 Apr 2014New River Ray - Oddington140633
18 cm7 Apr 2014New River Ray - Oddington140633

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
New River Ray - Oddington20 Nov 20039 Apr 20263
Old River Ray - Oddington21 Mar 200721 Mar 20071
Islip20 Nov 200320 Nov 20031

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

2003–2026

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 141 measured fish were spread across different length ranges.

Smallest
3.7 cm
Lower quarter
9.2 cm
Median
11 cm
Upper quarter
14.7 cm
Largest
21.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Oxfordshire Ray

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

Perch Pike

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 →