Perch · Perca fluviatilis

Perch in the River Ranworth Broad

Largest measured perch: 17.7 cm

The largest perch measured in Environment Agency surveys of the River Ranworth Broad was 17.7 cm, recorded at 224 on 2 September 1991.

Across 745 measured perch, the median measured length was 6.5 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 Ranworth Broad.

See perch records across England →

Most recent observation16 August 1999220 · 98 fish

Largest measured perch: 17.7 cm
Median length: 6.5 cm
Fish measured: 745
Survey locations: 6

Individual EA measurements

Largest measured perch

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
17.7 cm	2 Sept 1991	224	17595
17.5 cm	29 Aug 1991	225	17596
17.4 cm	2 Sept 1991	224	17595
16.4 cm	10 Aug 1999	224	17758
16.4 cm	29 Aug 1991	225	17596
16 cm	29 Aug 1991	225	17596
16 cm	29 Aug 1991	225	17596
15.6 cm	29 Aug 1991	225	17596
15.2 cm	2 Sept 1991	224	17595
15 cm	29 Aug 1991	225	17596

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where perch were found

Each point marks a survey location with at least one perch 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 perch
220	20 Aug 1987	16 Aug 1999	4
221	19 Jul 1987	13 Aug 1999	4
225	18 Jul 1987	12 Aug 1999	4
222	19 Jul 1987	11 Aug 1999	4
224	18 Jul 1987	10 Aug 1999	4
223	21 Aug 1987	21 Aug 1987	1

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

1987–1999

Survey records by year

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

687

088

089

090

591

092

093

594

095

096

097

098

599

Fish measured by surveyors

Measured length distribution

See how the 745 measured fish were spread across different length ranges.

Smallest: 4.3 cm
Lower quarter: 6.1 cm
Median: 6.5 cm
Upper quarter: 8.3 cm
Largest: 17.7 cm

0–99 mm

708

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ranworth Broad

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

Common bream Roach Flounder Ruffe

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 →