RiverFish

Roach · Rutilus rutilus

Roach in the Cut-Off Channel

Largest measured roach: 32.8 cm

The largest roach measured in Environment Agency surveys of the Cut-Off Channel was 32.8 cm, recorded at Hilgay Bridge on 16 July 1990.

Across 10,209 measured roach, the median measured length was 10.4 cm.

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

See roach records across England →

Most recent observation22 June 2023Denver Sluice · 140 fish
Largest measured roach
32.8 cm
Median length
10.4 cm
Fish measured
10,209
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
32.8 cm16 Jul 1990Hilgay Bridge29791
32.8 cm11 Jul 1990Wretton29788
32.3 cm9 Oct 2000Hilgay Bridge30852
31.8 cm17 Jul 1990Denver Sluice29792
31.8 cm10 Jul 1990Thornham Bridge29787
31.3 cm4 Jul 1997Whiteplot Farm29803
30.8 cm17 Jul 1990Denver Sluice29792
30.3 cm16 Jul 1990Hilgay Bridge29791
29.5 cm4 Apr 2017Denver Sluice150324
28.8 cm11 May 1994Thornham Bridge29796

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
Denver Sluice6 May 198622 Jun 202314
Hilgay Bridge5 Jun 198621 Jun 202313
Wretton27 May 19867 Jun 202314
Stoke Ferry WTW1 Apr 200431 May 20235
Wissington3 Jun 198630 Mar 201713
Crossways Farm4 Jun 198615 Aug 200610
Thornham Bridge10 Jul 19907 Jul 19973
Whiteplot Farm21 May 19864 Jul 19974
Blackdyke Farm3 Jul 19909 May 19943
Hockwold Bridge6 May 19946 May 19941
Willow Grove Farm Lakenheath9 Jul 19909 Jul 19901
Eriswell Hall Farm6 Jul 19906 Jul 19901
Sparks Farm Eriswell2 Jul 19902 Jul 19901

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

1986–2023

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 10,209 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
8.3 cm
Median
10.4 cm
Upper quarter
12.8 cm
Largest
32.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Cut-Off Channel

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

Perch Pike Ruffe Common bream European eel Gudgeon

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 →