RiverFish

Roach · Rutilus rutilus

Roach in the River DS Lt Ouse

Largest measured roach: 33.3 cm

The largest roach measured in Environment Agency surveys of the River DS Lt Ouse was 33.3 cm, recorded at Brandon Fen on 17 May 1989.

Across 14,554 measured roach, the median measured length was 9.8 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 DS Lt Ouse.

See roach records across England →

Most recent observation30 July 2024Little Ouse Village · 144 fish
Largest measured roach
33.3 cm
Median length
9.8 cm
Fish measured
14,554
Survey locations
11

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
33.3 cm17 May 1989Brandon Fen29853
32.3 cm22 Jun 1990Wilton Bridge29863
31.8 cm10 May 1989Little Ouse Village29858
30.8 cm15 May 1989Plantation Farm29856
29.3 cm15 May 1989Hockwold Common29851
28.8 cm17 May 1989Brandon Creek29860
28.8 cm15 May 1989Hockwold Common29851
28.8 cm10 May 1989Little Ouse Village29858
28.3 cm28 Jun 1990Little Ouse Village29867
28.3 cm19 Jun 1990Brandon Staunch29861

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
Little Ouse Village10 May 198930 Jul 20246
Hockwold Common15 May 198924 Jul 20247
Brandon Staunch19 Jun 199023 Jul 20246
Plantation Farm15 May 198923 May 20126
Brandon Creek17 May 198914 Jun 20004
Blackdyke Farm Little Ouse16 May 198912 Jun 20004
Brandon Fen17 May 19899 Jun 20004
Wilton Bridge22 Jun 19907 Jun 20003
Cowles Drove17 May 198917 May 19891
Orchard House12 May 198912 May 19891
Bank Farm9 May 19899 May 19891

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

1989–2024

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 14,554 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
8.3 cm
Median
9.8 cm
Upper quarter
12.8 cm
Largest
33.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River DS Lt Ouse

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

Pike Perch Ruffe European eel Silver bream Dace

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 →