RiverFish

Roach · Rutilus rutilus

Roach in the Jubilee River

Largest measured roach: 13.3 cm

The largest roach measured in Environment Agency surveys of the Jubilee River was 13.3 cm, recorded at Eton Far Shore on 24 August 2005.

Across 4,697 measured roach, the median measured length was 4.2 cm.

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

See roach records across England →

Most recent observation23 August 2013Taplow · 935 fish
Largest measured roach
13.3 cm
Median length
4.2 cm
Fish measured
4,697
Survey locations
6

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
13.3 cm24 Aug 2005Eton Far Shore90920
12.5 cm26 Aug 2009Upstream of Slough Weir118861
12 cm28 Aug 2007Conservation Section No 1 (DS)108097
11.7 cm26 Aug 2009Upstream of Slough Weir118861
11.5 cm28 Aug 2007Conservation Section No 1 (DS)108097
11.4 cm28 Aug 2007Conservation Section No 1 (DS)108097
11 cm26 Aug 2009Upstream of Slough Weir118861
10.9 cm28 Aug 2007Conservation Section No 1 (DS)108097
10.8 cm28 Aug 2007Conservation Section No 2 (US)108101
10.7 cm26 Aug 2009Upstream of Slough Weir118861

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
Taplow26 Sept 200223 Aug 201310
Conservation Section No 2 (US)19 Aug 200321 Aug 20136
Conservation Section No 1 (DS)28 Aug 200721 Aug 20134
Eton Far Shore24 Aug 200524 Aug 20105
Upstream of Slough Weir15 Aug 200626 Aug 20093
Black Potts29 Aug 200726 Aug 20093

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

2002–2013

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 4,697 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
3.7 cm
Median
4.2 cm
Upper quarter
4.9 cm
Largest
13.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Jubilee River

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

3-spined stickleback Gudgeon Perch Stone loach 10-spined stickleback Bullhead

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 →