Perch · Perca fluviatilis

Perch in the River Wensum (upper)

Largest measured perch: 24.2 cm

The largest perch measured in Environment Agency surveys of the River Wensum (upper) was 24.2 cm, recorded at Upstream Fakenham Mill on 21 April 1994.

Across 17 measured perch, the median measured length was 18.3 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 Wensum (upper).

See perch records across England →

Most recent observation21 April 1994Upstream Fakenham Mill · 2 fish

Largest measured perch: 24.2 cm
Median length: 18.3 cm
Fish measured: 17
Survey locations: 4

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
24.2 cm	21 Apr 1994	Upstream Fakenham Mill	17201
22.4 cm	21 Apr 1994	Upstream Fakenham Mill	17201
20 cm	20 Mar 1986	Fakenham Common	17184
19.9 cm	20 Mar 1986	Fakenham Common	17184
19.8 cm	20 Mar 1986	Fakenham Common	17184
19.2 cm	20 Mar 1986	Fakenham Common	17184
19 cm	20 Mar 1986	Fakenham Common	17184
18.5 cm	20 Mar 1986	Fakenham Common	17184
18.3 cm	20 Mar 1986	Fakenham Common	17184
17.6 cm	20 Mar 1986	Fakenham Common	17184

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
Upstream Fakenham Mill	21 Apr 1994	21 Apr 1994	1
Fakenham Common	20 Mar 1986	20 Mar 1986	1
Hellhoughton Common	6 Mar 1986	6 Mar 1986	1
South Mill Farm	26 Feb 1986	26 Feb 1986	1

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

1986–1994

Survey records by year

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

386

087

088

089

090

091

092

093

194

Fish measured by surveyors

Measured length distribution

See how the 17 measured fish were spread across different length ranges.

Smallest: 13.7 cm
Lower quarter: 17.3 cm
Median: 18.3 cm
Upper quarter: 19.8 cm
Largest: 24.2 cm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (upper)

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

Brown / sea trout Stone loach Bullhead European eel 3-spined stickleback Brook lamprey

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 →