Roach · Rutilus rutilus

Roach in the River Heigham Sound

Largest measured roach: 21.6 cm

The largest roach measured in Environment Agency surveys of the River Heigham Sound was 21.6 cm, recorded at 60 on 10 August 1998.

Across 1,724 measured roach, the median measured length was 8.5 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 Heigham Sound.

See roach records across England →

Most recent observation12 August 199861 · 80 fish

Largest measured roach: 21.6 cm
Median length: 8.5 cm
Fish measured: 1,724
Survey locations: 5

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
21.6 cm	10 Aug 1998	60	16932
19.9 cm	29 Sept 1986	58	16917
19.8 cm	27 Sept 1989	58	16924
19.5 cm	29 Sept 1986	58	16917
19.4 cm	30 Sept 1986	61	16920
19 cm	27 Sept 1989	58	16924
18.8 cm	29 Sept 1986	59	16918
18.8 cm	29 Sept 1986	58	16917
18.7 cm	29 Sept 1986	59	16918
18.5 cm	28 Sept 1989	61	16925

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
61	30 Sept 1986	12 Aug 1998	4
60	30 Sept 1986	10 Aug 1998	2
57	23 Sept 1986	7 Aug 1998	3
58	29 Sept 1986	5 Aug 1998	4
59	29 Sept 1986	29 Sept 1986	1

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

1986–1998

Survey records by year

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

586

087

088

389

090

091

092

293

094

095

096

097

498

Fish measured by surveyors

Measured length distribution

See how the 1,724 measured fish were spread across different length ranges.

Smallest: 4.1 cm
Lower quarter: 7.5 cm
Median: 8.5 cm
Upper quarter: 11 cm
Largest: 21.6 cm

0–99 mm

1125

100–199 mm

598

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Heigham Sound

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

Flounder Perch Common bream Smelt Common goby

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 →