RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Hamble

Largest measured brown / sea trout: 57 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Hamble was 57 cm, recorded at Lower Wangfield Farm Meadow on 13 September 2012.

Across 958 measured brown / sea trout, the median measured length was 17.8 cm.

Surveyors recorded weights for 440 brown / sea trout. The median was 3.2 oz (0.0895 kg) and the largest recorded weight was 1 lb 9.6 oz (0.725 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 brown / sea trout records across England →

Most recent observation18 June 2025Durley Mill · 38 fish
Largest measured brown / sea trout
57 cm
Median length
17.8 cm
Fish measured
958
Survey locations
13

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
57 cm13 Sept 2012Lower Wangfield Farm Meadow133898
56.5 cm21 Aug 2012Upstream of railway viaduct132990
56.5 cm21 Aug 2012Upstream of railway viaduct132990
55.8 cm22 Aug 2018Upstream of railway viaduct153339
54.8 cm22 Aug 2018Upstream of railway viaduct153339
53 cm22 Aug 2018Upstream of railway viaduct153339
49 cm22 Aug 2018Lower Wangfield Farm Meadow153338
45.9 cm22 Aug 2018Upstream of railway viaduct153339
45.5 cm22 Aug 2018Upstream of railway viaduct153339
42.8 cm22 Aug 2018Lower Wangfield Farm Meadow153338

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
Durley Mill14 Aug 200118 Jun 20256
Lower Wangfield Farm Meadow29 May 20079 Jul 20248
Frog Mill27 Aug 20025 Aug 20215
Brooklands Farm21 Jul 20082 Aug 20213
Upstream of railway viaduct5 Jun 200722 Aug 20186
Treefield14 Jul 201614 Jul 20161
Thickets Farm12 Jun 200814 Jul 20162
Tangier Farm21 Jul 20089 May 20132
Wangfield Lane29 May 200729 May 20071
Botley Mill25 Sept 200225 Sept 20021
Locks Farm30 Aug 200230 Aug 20021
Botleigh Grange14 Aug 200130 Aug 20022
Greywood27 Aug 200227 Aug 20021

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 958 measured fish were spread across different length ranges.

Smallest
3.4 cm
Lower quarter
13 cm
Median
17.8 cm
Upper quarter
22.5 cm
Largest
57 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 440 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
1.6 oz (0.045 kg)
Median
3.2 oz (0.0895 kg)
Upper quarter
5.7 oz (0.1625 kg)
Heaviest
1 lb 9.6 oz (0.725 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.

European eel Bullhead Grayling 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 →