RiverFish

Grayling · Thymallus thymallus

Grayling in the River R. Skell

Largest measured grayling: 31.6 cm

The largest grayling measured in Environment Agency surveys of the River R. Skell was 31.6 cm, recorded at River Skell (d/s Ripon Bypass) on 7 June 2007.

Across 58 measured grayling, the median measured length was 16.6 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 R. Skell.

See grayling records across England →

Most recent observation9 September 2025River Skell (d/s Ripon Bypass) · 1 fish
Largest measured grayling
31.6 cm
Median length
16.6 cm
Fish measured
58
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
31.6 cm7 Jun 2007River Skell (d/s Ripon Bypass)105537
29.3 cm7 Sept 2022Borrage Green Lane161362
27.5 cm7 Jun 2007River Skell (d/s Ripon Bypass)105537
27.3 cm7 Sept 2022Borrage Green Lane161362
27.2 cm7 Sept 2022Borrage Green Lane161362
27.2 cm15 Oct 2003River Skell (Whitcliffe Lane)78486
26.8 cm7 Jun 2007River Skell (d/s Ripon Bypass)105537
26.7 cm20 Jun 2012River Skell (d/s Ripon Bypass)134761
26.6 cm7 Sept 2022Borrage Green Lane161362
26.4 cm20 Jun 2012River Skell (d/s Ripon Bypass)134761

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
River Skell (d/s Ripon Bypass)7 Jun 20079 Sept 20255
downstream Alma Bridge7 Sept 20227 Sept 20221
Borrage Green Lane7 Sept 20227 Sept 20221
River Skell (Whitcliffe Lane)12 Sept 200215 Oct 20032

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

2002–2025

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 58 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
9.9 cm
Median
16.6 cm
Upper quarter
25.1 cm
Largest
31.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R. Skell

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

Brown / sea trout Bullhead Stone loach Minnow European eel Atlantic salmon

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 →