Roach · Rutilus rutilus

Roach in the River Wroxham Broad

Largest measured roach: 28.4 cm

The largest roach measured in Environment Agency surveys of the River Wroxham Broad was 28.4 cm, recorded at 204 on 24 September 1999.

Across 6,467 measured roach, the median measured length was 10.7 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 Wroxham Broad.

See roach records across England →

Most recent observation15 August 2005587 · 205 fish

Largest measured roach: 28.4 cm
Median length: 10.7 cm
Fish measured: 6,467
Survey locations: 8

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
28.4 cm	24 Sept 1999	204	17789
26.6 cm	22 Sept 1999	198	17787
25.2 cm	23 Sept 1999	206	17790
24.7 cm	2 Oct 1991	204	17630
24.3 cm	13 Aug 2003	586	77064
24 cm	4 Sept 2002	586	61760
23.9 cm	4 Sept 2002	586	61760
22.9 cm	13 Aug 2003	586	77064
22.9 cm	22 Sept 1999	198	17787
22.8 cm	30 Aug 2001	196	52010

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
587	4 Sept 2001	15 Aug 2005	5
206	10 Sept 1991	15 Aug 2005	7
204	2 Oct 1991	11 Aug 2005	7
196	13 Sept 1991	11 Aug 2005	7
586	4 Sept 2002	12 Aug 2004	3
585	30 Aug 2001	5 Sept 2002	2
198	11 Sept 1991	5 Sept 2002	4
199	9 Sept 1991	30 Aug 2001	3

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

1991–2005

Survey records by year

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

591

092

093

094

095

096

097

098

599

000

701

702

503

504

405

Fish measured by surveyors

Measured length distribution

See how the 6,467 measured fish were spread across different length ranges.

Smallest: 1.9 cm
Lower quarter: 8.9 cm
Median: 10.7 cm
Upper quarter: 12.1 cm
Largest: 28.4 cm

0–99 mm

2285

100–199 mm

4154

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wroxham Broad

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

Perch Common bream Ruffe Pike Flounder 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 →