Grayling · Thymallus thymallus

Grayling in the River Alre

Largest measured grayling: 37 cm

The largest grayling measured in Environment Agency surveys of the River Alre was 37 cm, recorded at Arle 2: d/s Drove Lane on 10 September 2009.

Across 27 measured grayling, the median measured length was 23.5 cm.

Surveyors recorded weights for 18 grayling. The median was 6.3 oz (0.1785 kg) and the largest recorded weight was 14.3 oz (0.404 kg).

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

See grayling records across England →

Most recent observation29 September 2015Arle 4: d/s Eel House · 1 fish

Largest measured grayling: 37 cm
Median length: 23.5 cm
Fish measured: 27
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
37 cm	10 Sept 2009	Arle 2: d/s Drove Lane	119558
33 cm	3 Sept 2002	Arle 2: d/s Drove Lane	55062
31.8 cm	29 Sept 2015	Arle 4: d/s Eel House	146985
29 cm	3 Sept 2002	Arle 2: d/s Drove Lane	55062
28.6 cm	3 Sept 2002	Arle 2: d/s Drove Lane	55062
28.1 cm	3 Sept 2002	Arle 2: d/s Drove Lane	55062
27.9 cm	29 Sept 2015	Arle 2: d/s Drove Lane	146906
27.5 cm	3 Sept 2002	Arle 2: d/s Drove Lane	55062
27.3 cm	3 Sept 2002	Arle 2: d/s Drove Lane	55062
27.2 cm	3 Sept 2002	Arle 2: d/s Drove Lane	55062

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
Arle 4: d/s Eel House	23 Sept 2009	29 Sept 2015	2
Arle 2: d/s Drove Lane	3 Sept 2002	29 Sept 2015	3

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

2002–2015

Survey records by year

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

102

003

004

005

006

007

008

209

010

011

012

013

014

215

Fish measured by surveyors

Measured length distribution

See how the 27 measured fish were spread across different length ranges.

Smallest: 9.7 cm
Lower quarter: 12.8 cm
Median: 23.5 cm
Upper quarter: 27.7 cm
Largest: 37 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 18 grayling. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.5 oz (0.015 kg)
Lower quarter: 0.7 oz (0.021 kg)
Median: 6.3 oz (0.1785 kg)
Upper quarter: 8.2 oz (0.233 kg)
Heaviest: 14.3 oz (0.404 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Alre

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

Bullhead Brown / sea trout European eel Pike Brook lamprey

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 →