Perch · Perca fluviatilis

Perch in the River Heigham Sound

Largest measured perch: 27 cm

The largest perch measured in Environment Agency surveys of the River Heigham Sound was 27 cm, recorded at 57 on 7 August 1998.

Across 196 measured perch, the median measured length was 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 Heigham Sound.

See perch records across England →

Most recent observation12 August 199861 · 5 fish

Largest measured perch: 27 cm
Median length: 7 cm
Fish measured: 196
Survey locations: 5

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
27 cm	7 Aug 1998	57	16929
23.9 cm	7 Aug 1998	57	16929
22.4 cm	5 Aug 1998	58	16930
20.7 cm	27 Sept 1989	58	16924
19.3 cm	27 Sept 1989	58	16924
18.5 cm	27 Sept 1989	58	16924
18.3 cm	5 Aug 1998	58	16930
17.2 cm	27 Sept 1989	58	16924
17.1 cm	12 Aug 1998	61	16933
16.9 cm	5 Aug 1998	58	16930

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
61	30 Sept 1986	12 Aug 1998	4
60	30 Sept 1986	10 Aug 1998	2
57	23 Sept 1986	7 Aug 1998	2
58	29 Sept 1986	5 Aug 1998	3
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 perch that year.

586

087

088

289

090

091

092

193

094

095

096

097

498

Fish measured by surveyors

Measured length distribution

See how the 196 measured fish were spread across different length ranges.

Smallest: 4.9 cm
Lower quarter: 6.7 cm
Median: 7 cm
Upper quarter: 8.1 cm
Largest: 27 cm

0–99 mm

167

100–199 mm

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 Roach 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 →