RiverFish

Grayling · Thymallus thymallus

Grayling in the Main river sites

Largest measured grayling: 45.5 cm

The largest grayling measured in Environment Agency surveys of the Main river sites was 45.5 cm, recorded at Watery Lane on 9 August 2006.

Across 126 measured grayling, the median measured length was 12.6 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Main river sites.

See grayling records across England →

Most recent observation22 September 2016Chilfrome Downstream Bridge · 1 fish
Largest measured grayling
45.5 cm
Median length
12.6 cm
Fish measured
126
Survey locations
13

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
45.5 cm9 Aug 2006Watery Lane100982
42.3 cm15 Oct 2013Wrackleford Main Channel140291
39.8 cm15 Oct 2013Wrackleford Main Channel140291
38.7 cm15 Oct 2013Wrackleford Main Channel140291
38.5 cm15 Sept 2010Upstream Woodsford WLMP124010
37.8 cm15 Sept 2010Upstream Woodsford WLMP124010
37.7 cm13 Jul 2006Lower Bockhampton100850
36.7 cm15 Oct 2013Wrackleford Main Channel140291
36.7 cm14 Jun 2011Lower Bockhampton126495
36.5 cm15 Oct 2013Wrackleford Main Channel140291

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
Chilfrome Downstream Bridge22 Sept 201622 Sept 20161
Crockways12 Sept 201612 Sept 20161
Opposite Ambulance Station7 Oct 200913 Oct 20152
d/s Louds Mill15 Sept 200519 Aug 20153
d/s Hangmans Weir15 Oct 201315 Oct 20131
Wrackleford Main Channel15 Oct 201315 Oct 20131
Lower Bockhampton13 Jul 200614 Jun 20112
Upstream Woodsford WLMP15 Sept 201015 Sept 20101
Downstream Woodsford WLMP8 Sept 20108 Sept 20101
ds Woodsford9 Aug 20069 Aug 20061
Watery Lane9 Aug 20069 Aug 20061
Whitfield Farm7 Sept 20057 Sept 20051
d/s East Stoke to u/s Swanage Railway Bridge14 Jun 200514 Jun 20051

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

2005–2016

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 126 measured fish were spread across different length ranges.

Smallest
8.1 cm
Lower quarter
11 cm
Median
12.6 cm
Upper quarter
26 cm
Largest
45.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main river sites

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

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

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 →