RiverFish

Tench · Tinca tinca

Tench in the River Nar

Largest measured tench: 50 cm

The largest tench measured in Environment Agency surveys of the River Nar was 50 cm, recorded at US Sluice Kings Lynn on 31 March 2004.

Across 64 measured tench, the median measured length was 31.3 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 tench records across England →

Most recent observation12 April 2022Castle Acre · 1 fish
Largest measured tench
50 cm
Median length
31.3 cm
Fish measured
64
Survey locations
10

Individual EA measurements

Largest measured tench

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

LengthSurvey dateSurvey locationSurvey ID
50 cm31 Mar 2004US Sluice Kings Lynn79526
49.5 cm31 Mar 2004US Sluice Kings Lynn79526
49.3 cm2 Feb 1996High Bridge Side Channel30358
47 cm31 Mar 2004US Sluice Kings Lynn79526
46.8 cm10 Apr 1996US Sluice Kings Lynn30363
45 cm31 Mar 2004US Sluice Kings Lynn79526
45 cm31 Mar 2004US Sluice Kings Lynn79526
44.8 cm12 Jan 1990US Sluice Kings Lynn30337
44.8 cm12 Jan 1990US Sluice Kings Lynn30337
44.3 cm10 Apr 1996US Sluice Kings Lynn30363

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

Explore the river

Where tench were found

Each point marks a survey location with at least one tench 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 tench
Castle Acre13 Mar 200812 Apr 20222
Narford Hall Estate10 Mar 202010 Mar 20201
West Lexham6 Apr 201012 Mar 20122
DS Narborough Mill20 Mar 200716 Feb 20112
US Sluice Kings Lynn12 Jan 199031 Mar 20044
Setchey7 Feb 19967 Feb 19961
High Bridge Side Channel30 Mar 19932 Feb 19962
Wormegay High Bridge30 Mar 199330 Mar 19931
Saddlebow26 Mar 199326 Mar 19931
Marham Intake24 Mar 199324 Mar 19931

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

1990–2022

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 64 measured fish were spread across different length ranges.

Smallest
9.8 cm
Lower quarter
14.7 cm
Median
31.3 cm
Upper quarter
41.8 cm
Largest
50 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 →