Roach · Rutilus rutilus

Roach in the River Ormesby Broad

Largest measured roach: 21.9 cm

The largest roach measured in Environment Agency surveys of the River Ormesby Broad was 21.9 cm, recorded at 563 on 10 September 1997.

Across 359 measured roach, the median measured length was 8.1 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 Ormesby Broad.

See roach records across England →

Most recent observation16 September 1997569 · 79 fish

Largest measured roach: 21.9 cm
Median length: 8.1 cm
Fish measured: 359
Survey locations: 9

Individual EA measurements

Largest measured roach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
21.9 cm	10 Sept 1997	563	17684
15.8 cm	9 Sept 1997	560	17681
15.7 cm	9 Sept 1997	561	17682
15.4 cm	9 Sept 1997	560	17681
15.2 cm	10 Sept 1997	562	17683
15.2 cm	9 Sept 1997	561	17682
15.1 cm	16 Sept 1997	569	17690
15.1 cm	9 Sept 1997	561	17682
15 cm	9 Sept 1997	561	17682
15 cm	9 Sept 1997	560	17681

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 surveyed	First recorded	Last recorded	Visits finding roach
569	16 Sept 1997	16 Sept 1997	1
568	16 Sept 1997	16 Sept 1997	1
563	10 Sept 1997	10 Sept 1997	1
562	10 Sept 1997	10 Sept 1997	1
561	9 Sept 1997	9 Sept 1997	1
560	9 Sept 1997	9 Sept 1997	1
Margin 6	30 Jan 1994	30 Jan 1994	1
Margin 2	25 Jan 1994	25 Jan 1994	1
Margin 1	25 Jan 1994	25 Jan 1994	1

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

1994–1997

Survey records by year

Each bar shows how many survey visits recorded roach that year.

394

095

096

697

Fish measured by surveyors

Measured length distribution

See how the 359 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 7.7 cm
Median: 8.1 cm
Upper quarter: 8.5 cm
Largest: 21.9 cm

0–99 mm

331

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ormesby Broad

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

Perch Common bream Pike Ruffe Tench 10-spined stickleback

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 →