RiverFish

Perch · Perca fluviatilis

Perch in the River Nar

Largest measured perch: 28 cm

The largest perch measured in Environment Agency surveys of the River Nar was 28 cm, recorded at DS Narborough Mill on 20 March 2019.

Across 143 measured perch, the median measured length was 13.6 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 Nar.

See perch records across England →

Most recent observation1 April 2025DS Narborough Mill · 11 fish
Largest measured perch
28 cm
Median length
13.6 cm
Fish measured
143
Survey locations
11

Individual EA measurements

Largest measured perch

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
28 cm20 Mar 2019DS Narborough Mill154371
25.9 cm1 Apr 2025DS Narborough Mill176113
25.8 cm30 Mar 1993High Bridge Side Channel30346
24.8 cm10 Apr 1996US Sluice Kings Lynn30363
24.2 cm16 Mar 2015Abbey Farm144461
23.3 cm10 Apr 1996US Sluice Kings Lynn30363
23.3 cm24 Mar 1993Marham Intake30343
23.3 cm24 Mar 1993Marham Intake30343
23.3 cm24 Mar 1993Marham Intake30343
22.8 cm10 Apr 1996US Sluice Kings Lynn30363

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 surveyedFirst recordedLast recordedVisits finding perch
DS Narborough Mill26 Feb 20031 Apr 20255
Wormegay High Bridge30 Mar 199321 Mar 20173
Abbey Farm16 Mar 201520 Mar 20172
White House Farm Kings Lynn1 Apr 20151 Apr 20151
Saddlebow6 Mar 199626 Mar 20153
Setchey25 Mar 199317 Mar 20152
High Bridge Side Channel30 Mar 199312 Mar 20154
DS Abbey Farm Weir (Eel Monitoring)23 Jul 201423 Jul 20141
US Sluice Kings Lynn10 Apr 199615 Apr 20102
Marham Intake24 Mar 199312 Apr 20102
Nar Valley Fishery3 Apr 19963 Apr 19961

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

1993–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 143 measured fish were spread across different length ranges.

Smallest
4.8 cm
Lower quarter
9.3 cm
Median
13.6 cm
Upper quarter
17.5 cm
Largest
28 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nar

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

European eel Bullhead 3-spined stickleback Brown / sea trout Pike Dace

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 →