Grayling · Thymallus thymallus

Grayling in the River Hamble

Largest measured grayling: 31.5 cm

The largest grayling measured in Environment Agency surveys of the River Hamble was 31.5 cm, recorded at Lower Wangfield Farm Meadow on 29 May 2007.

Across 86 measured grayling, the median measured length was 18.6 cm.

Surveyors recorded weights for 85 grayling. The median was 2.3 oz (0.064 kg) and the largest recorded weight was 13.9 oz (0.393 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 Hamble.

See grayling records across England →

Most recent observation18 June 2009Lower Wangfield Farm Meadow · 1 fish

Largest measured grayling: 31.5 cm
Median length: 18.6 cm
Fish measured: 86
Survey locations: 7

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
31.5 cm	29 May 2007	Lower Wangfield Farm Meadow	105549
31.5 cm	27 Aug 2002	Greywood	55105
30.9 cm	5 Jun 2007	Upstream of railway viaduct	105559
30.7 cm	27 Aug 2002	Greywood	55105
29.6 cm	29 May 2007	Lower Wangfield Farm Meadow	105549
27.5 cm	29 May 2007	Lower Wangfield Farm Meadow	105549
26.6 cm	1 Jun 2007	Durley Mill	105565
26.4 cm	29 May 2007	Lower Wangfield Farm Meadow	105549
26.2 cm	18 Jun 2009	Lower Wangfield Farm Meadow	119232
22.8 cm	28 May 2007	Frog Mill	105557

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
Lower Wangfield Farm Meadow	29 May 2007	18 Jun 2009	2
Upstream of railway viaduct	5 Jun 2007	5 Jun 2007	1
Durley Mill	14 Aug 2001	1 Jun 2007	3
Wangfield Lane	29 May 2007	29 May 2007	1
Frog Mill	27 Aug 2002	28 May 2007	2
Botley Mill	25 Sept 2002	25 Sept 2002	1
Greywood	27 Aug 2002	27 Aug 2002	1

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

2001–2009

Survey records by year

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

101

402

003

004

005

006

507

008

109

Fish measured by surveyors

Measured length distribution

See how the 86 measured fish were spread across different length ranges.

Smallest: 7.4 cm
Lower quarter: 10 cm
Median: 18.6 cm
Upper quarter: 20.6 cm
Largest: 31.5 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 85 grayling. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.2 oz (0.006 kg)
Lower quarter: 0.4 oz (0.011 kg)
Median: 2.3 oz (0.064 kg)
Upper quarter: 3.1 oz (0.089 kg)
Heaviest: 13.9 oz (0.393 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 Hamble

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

Brown / sea trout European eel Bullhead Brook lamprey Roach 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 →