Grayling · Thymallus thymallus

Grayling in the River Avon (Hampshire)

Largest measured grayling: 26.1 cm

The largest grayling measured in Environment Agency surveys of the River Avon (Hampshire) was 26.1 cm, recorded at King's Stream on 9 September 2015.

Across 13 measured grayling, the median measured length was 14.1 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 Avon (Hampshire).

See grayling records across England →

Most recent observation9 September 2015King's Stream · 4 fish

Largest measured grayling: 26.1 cm
Median length: 14.1 cm
Fish measured: 13
Survey locations: 1

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
26.1 cm	9 Sept 2015	King's Stream	146339
23.2 cm	18 Sept 2013	King's Stream	138817
16 cm	28 Oct 2003	King's Stream	78318
15.7 cm	28 Oct 2003	King's Stream	78318
15 cm	28 Oct 2003	King's Stream	78318
14.5 cm	28 Oct 2003	King's Stream	78318
14.1 cm	9 Sept 2015	King's Stream	146339
13.4 cm	9 Sept 2015	King's Stream	146339
13.1 cm	13 Oct 2004	King's Stream	82786
13 cm	28 Oct 2003	King's Stream	78318

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
King's Stream	30 Oct 2002	9 Sept 2015	5

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

103

104

005

006

007

008

009

010

011

012

113

014

115

Fish measured by surveyors

Measured length distribution

See how the 13 measured fish were spread across different length ranges.

Smallest: 11.6 cm
Lower quarter: 13 cm
Median: 14.1 cm
Upper quarter: 15.7 cm
Largest: 26.1 cm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Avon (Hampshire)

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

Brown / sea trout European eel Gudgeon Atlantic salmon Chub 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 →