Grayling · Thymallus thymallus

Grayling in the Eel Survey

Largest measured grayling: 32.3 cm

The largest grayling measured in Environment Agency surveys of the Eel Survey was 32.3 cm, recorded at Bathpool on 1 September 2009.

Across 97 measured grayling, the median measured length was 21.2 cm.

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

See grayling records across England →

Most recent observation29 August 2013Bathpool · 5 fish

Largest measured grayling: 32.3 cm
Median length: 21.2 cm
Fish measured: 97
Survey locations: 2

Individual EA measurements

Largest measured grayling

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

Length	Survey date	Survey location	Survey ID
32.3 cm	1 Sept 2009	Bathpool	118815
30.2 cm	1 Sept 2009	Bathpool	118815
30 cm	9 Sept 2009	Noddy's House	118864
29.9 cm	9 Sept 2009	Noddy's House	118864
29.4 cm	29 Aug 2013	Bathpool	139751
29.4 cm	29 Aug 2013	Bathpool	139751
28.9 cm	5 Sept 2012	Noddy's House	133268
28.8 cm	5 Sept 2012	Noddy's House	133268
28.8 cm	27 Jul 2011	Bathpool	127310
28.7 cm	5 Jun 2008	Noddy's House	113552

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 surveyed	First recorded	Last recorded	Visits finding grayling
Bathpool	7 Sept 2007	29 Aug 2013	4
Noddy's House	5 Jun 2008	5 Sept 2012	3

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

2007–2013

Survey records by year

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

107

108

209

010

111

112

113

Fish measured by surveyors

Measured length distribution

See how the 97 measured fish were spread across different length ranges.

Smallest: 6.5 cm
Lower quarter: 18 cm
Median: 21.2 cm
Upper quarter: 26 cm
Largest: 32.3 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Eel Survey

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

European eel Roach Gudgeon Bullhead Perch 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 →