RiverFish

Grayling · Thymallus thymallus

Grayling in the River Nar

Largest measured grayling: 43.2 cm

The largest grayling measured in Environment Agency surveys of the River Nar was 43.2 cm, recorded at Bone Mill on 1 April 2026.

Across 18 measured grayling, the median measured length was 27 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 grayling records across England →

Most recent observation1 April 2026Bone Mill · 2 fish
Largest measured grayling
43.2 cm
Median length
27 cm
Fish measured
18
Survey locations
4

Individual EA measurements

Largest measured grayling

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

LengthSurvey dateSurvey locationSurvey ID
43.2 cm1 Apr 2026Bone Mill181111
38.9 cm7 Mar 2019Bradmoor Cottages Narborough154367
37.9 cm9 Apr 2019Narford Hall Estate154425
34.4 cm18 Mar 2015Narford Hall Estate144467
33.7 cm9 Apr 2019Narford Hall Estate154425
32.1 cm18 Mar 2015Narford Hall Estate144467
28.8 cm20 Mar 2018Narford Hall Estate152497
27.8 cm20 Mar 2018Narford Hall Estate152497
27.5 cm9 Apr 2019Narford Hall Estate154425
26.5 cm1 Apr 2026Bone Mill181111

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

Explore the river

Where grayling were found

Each point marks a survey location with at least one grayling 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 grayling
Bone Mill1 Apr 20261 Apr 20261
DS Narborough Mill1 Apr 20251 Apr 20251
Narford Hall Estate18 Mar 20159 Apr 20193
Bradmoor Cottages Narborough7 Mar 20197 Mar 20191

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

2015–2026

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest
18.3 cm
Lower quarter
21 cm
Median
27 cm
Upper quarter
33.3 cm
Largest
43.2 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 →