Grayling · Thymallus thymallus

Grayling in the River Hamps

Largest measured grayling: 31.3 cm

The largest grayling measured in Environment Agency surveys of the River Hamps was 31.3 cm, recorded at Dukeslane Bridge on 30 March 2009.

Across 6 measured grayling, the median measured length was 22.6 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 Hamps.

See grayling records across England →

Most recent observation30 March 2009Dukeslane Bridge · 1 fish

Largest measured grayling: 31.3 cm
Median length: 22.6 cm
Fish measured: 6
Survey locations: 3

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
31.3 cm	30 Mar 2009	Dukeslane Bridge	117185
25 cm	16 Sept 1998	Paper Mill Farm, Winkhill	4762
24.7 cm	16 Sept 1998	Paper Mill Farm, Winkhill	4762
20.4 cm	16 Sept 1998	Paper Mill Farm, Winkhill	4762
12 cm	15 Oct 2003	Waterhouses	78006
10.6 cm	15 Oct 2003	Waterhouses	78006

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
Dukeslane Bridge	30 Mar 2009	30 Mar 2009	1
Waterhouses	15 Oct 2003	15 Oct 2003	1
Paper Mill Farm, Winkhill	16 Sept 1998	16 Sept 1998	1

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

1998–2009

Survey records by year

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

198

099

000

001

002

103

004

005

006

007

008

109

Fish measured by surveyors

Measured length distribution

See how the 6 measured fish were spread across different length ranges.

Smallest: 10.6 cm
Lower quarter: 14.1 cm
Median: 22.6 cm
Upper quarter: 24.9 cm
Largest: 31.3 cm

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 River Hamps

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

Brown / sea trout Bullhead Stone loach Minnow 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 →