RiverFish

Roach · Rutilus rutilus

Roach in the River US Lt Ouse

Largest measured roach: 32.3 cm

The largest roach measured in Environment Agency surveys of the River US Lt Ouse was 32.3 cm, recorded at Nuns Bridge on 24 May 2001.

Across 1,831 measured roach, the median measured length was 14.3 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 US Lt Ouse.

See roach records across England →

Most recent observation7 August 2024Abbey Weir · 18 fish
Largest measured roach
32.3 cm
Median length
14.3 cm
Fish measured
1,831
Survey locations
14

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
32.3 cm24 May 2001Nuns Bridge30861
31.3 cm18 Jul 1988Barnham Village30140
30.8 cm24 May 2001Nuns Bridge30861
28.8 cm24 May 2001Nuns Bridge30861
27.9 cm20 Nov 2018Knettishall Heath154148
27.8 cm24 May 2001Nuns Bridge30861
27.3 cm21 Jan 2000Rushford Bridge30125
27.3 cm21 Jan 2000Rushford Bridge30125
27.3 cm11 Apr 1989Two Mile Bottom30149
26.8 cm21 Jan 2000Rushford Bridge30125

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
Abbey Weir7 Apr 19897 Aug 20245
Rushford Bridge27 May 198816 Jul 20249
Knettishall Heath6 Dec 199520 Nov 20185
Santon Downham10 Apr 19892 Jul 20158
Barnham Village18 Jul 198830 Jun 20154
Two Mile Bottom11 Apr 198920 Jul 20075
Barnham Common14 Jul 19884 Jul 20075
Nuns Bridge24 May 200124 May 20011
Black Carr20 Jul 19881 Feb 20003
DS BTO Channel8 Jan 199626 Jan 20002
Nunnery Lakes25 Jan 200025 Jan 20001
DS Knettishall Heath19 Jan 200019 Jan 20001
US Knettishall Heath18 May 198818 Jan 20004
Blo Norton Ford17 May 198817 Jan 20005

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

1988–2024

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 1,831 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
9.3 cm
Median
14.3 cm
Upper quarter
18.3 cm
Largest
32.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Lt Ouse

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

Bullhead Pike Dace European eel Gudgeon 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 →