RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Avon (Hampshire)

Largest measured brown / sea trout: 45 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Avon (Hampshire) was 45 cm, recorded at King's Stream on 28 October 2003.

Across 43 measured brown / sea trout, the median measured length was 21.5 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 brown / sea trout records across England →

Most recent observation2 October 2025Kings Stream Upstream Bridge · 1 fish
Largest measured brown / sea trout
45 cm
Median length
21.5 cm
Fish measured
43
Survey locations
4

Individual EA measurements

Largest measured brown / sea trout

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

LengthSurvey dateSurvey locationSurvey ID
45 cm28 Oct 2003King's Stream78318
43.5 cm12 Oct 2022The Moot162023
37 cm12 Oct 2022The Moot162023
36.4 cm5 Aug 2014The Moot143732
34.5 cm18 Sept 2013King's Stream138817
33.1 cm10 Oct 2006King's Stream101831
31.8 cm12 Oct 2022The Moot162023
29.5 cm18 Sept 2008Rafton Barrow Drain116506
28.6 cm12 Oct 2022The Moot162023
28.4 cm18 Sept 2013King's Stream138817

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout 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 surveyedFirst recordedLast recordedVisits finding brown / sea trout
Kings Stream Upstream Bridge2 Oct 20252 Oct 20251
The Moot5 Aug 201412 Oct 20222
King's Stream3 Sept 20019 Sept 20158
Rafton Barrow Drain18 Sept 200818 Sept 20081

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

2001–2025

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 43 measured fish were spread across different length ranges.

Smallest
6.5 cm
Lower quarter
14.4 cm
Median
21.5 cm
Upper quarter
28.1 cm
Largest
45 cm

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.

European eel Gudgeon Atlantic salmon Chub Dace Pike

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 →