RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the River Nar

Largest measured rudd: 23.8 cm

The largest rudd measured in Environment Agency surveys of the River Nar was 23.8 cm, recorded at US Sluice Kings Lynn on 12 January 1990.

Across 28 measured rudd, the median measured length was 13.3 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 Nar.

See rudd records across England →

Most recent observation8 March 2023West Lexham · 3 fish
Largest measured rudd
23.8 cm
Median length
13.3 cm
Fish measured
28
Survey locations
8

Individual EA measurements

Largest measured rudd

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

LengthSurvey dateSurvey locationSurvey ID
23.8 cm12 Jan 1990US Sluice Kings Lynn30337
20.8 cm18 Jan 1996West Lexham30350
20.8 cm12 Jan 1990US Sluice Kings Lynn30337
19.8 cm18 Jan 1996West Lexham30350
19.3 cm18 Jan 1996West Lexham30350
19.3 cm18 Jan 1996West Lexham30350
19.3 cm18 Jan 1996West Lexham30350
18.3 cm18 Jan 1996West Lexham30350
17.8 cm18 Jan 1996West Lexham30350
17.8 cm24 Mar 1993Marham Intake30343

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

Explore the river

Where rudd were found

Each point marks a survey location with at least one rudd 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 rudd
West Lexham11 Mar 19938 Mar 20237
High Bridge Side Channel17 Nov 198922 Apr 20102
East Lexham22 Mar 200722 Mar 20071
US Sluice Kings Lynn12 Jan 199010 Apr 19962
Marham Intake24 Mar 199324 Mar 19931
Narford Hall Estate17 Mar 199317 Mar 19931
Manor Farm15 Mar 199315 Mar 19931
Warren Farm12 Mar 199312 Mar 19931

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

1989–2023

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 28 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
12 cm
Median
13.3 cm
Upper quarter
18.6 cm
Largest
23.8 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 →