RiverFish

Roach · Rutilus rutilus

Roach in the River Oxford Watercourses

Largest measured roach: 29 cm

The largest roach measured in Environment Agency surveys of the River Oxford Watercourses was 29 cm, recorded at Iffley Weirs Mill Stream on 30 July 2014.

Across 4,504 measured roach, the median measured length was 9.7 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 Oxford Watercourses.

See roach records across England →

Most recent observation4 April 2019Bulstake Stream - Botley Park · 189 fish
Largest measured roach
29 cm
Median length
9.7 cm
Fish measured
4,504
Survey locations
13

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
29 cm30 Jul 2014Iffley Weirs Mill Stream141944
27.7 cm27 Aug 2008Bulstake Stream - Botley Park113500
27.5 cm30 Jul 2014Iffley Weirs Mill Stream141944
26.7 cm9 Aug 2006Castle Mill Stream - Jericho100975
26.5 cm9 Aug 2006Castle Mill Stream - Jericho100975
26.2 cm4 Apr 2019Bulstake Stream - Botley Park154463
25.6 cm4 Aug 2004Bulstake Stream - Botley Park80978
25.2 cm31 Jul 2014Bulstake Stream - Fishing News Books141981
25.2 cm30 Jul 2014Iffley Weirs Mill Stream141944
24.5 cm31 Jul 2014Bulstake Stream - Fishing News Books141981

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
Bulstake Stream - Botley Park4 Aug 20044 Apr 20194
Castle Mill Stream - Jericho9 Aug 200627 Aug 20142
Osney Stream - St Frideswides Church10 Aug 200418 Aug 20143
Castle Mill Stream - College Gardens12 Aug 200418 Aug 20143
Seacourt stream - Wytham Mill3 Aug 200412 Aug 20142
Seacourt Stream - North Hinksey4 Aug 200412 Aug 20142
Wolvercote Mill Stream - Wolvercote Mill East Arm11 Aug 200411 Aug 20142
Wolvercote Mill Stream - A34 Road Bridge18 Oct 20067 Aug 20142
Botley Stream - Golf Range5 Aug 20041 Aug 20142
Bulstake Stream - Fishing News Books12 Aug 200431 Jul 20142
Iffley Weirs Mill Stream9 Aug 200630 Jul 20142
North field brook - Four Pillars hotel10 Aug 200611 Jun 20143
Hinksey Stream - North Hinksey10 Aug 200410 Aug 20041

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

2004–2019

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 4,504 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
6.1 cm
Median
9.7 cm
Upper quarter
12.3 cm
Largest
29 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Oxford Watercourses

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

Bleak Perch Chub Pike Silver bream Common bream

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 →