RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Adur East Arm

Largest measured brown / sea trout: 76.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Adur East Arm was 76.4 cm, recorded at Nymans Farm, Shermanbury on 4 August 2015.

Across 121 measured brown / sea trout, the median measured length was 19.3 cm.

Surveyors recorded weights for 106 brown / sea trout. The median was 2.8 oz (0.0805 kg) and the largest recorded weight was 10 lb 5.1 oz (4.68 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 Adur East Arm.

See brown / sea trout records across England →

Most recent observation5 August 2025Burgess Hill STW · 2 fish
Largest measured brown / sea trout
76.4 cm
Median length
19.3 cm
Fish measured
121
Survey locations
6

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
76.4 cm4 Aug 2015Nymans Farm, Shermanbury145757
72 cm18 Sept 2009Shermanbury120776
70.8 cm30 Sept 2010Shermanbury124373
69 cm30 Sept 2004Shermanbury82665
68 cm29 Sept 2006Shermanbury102365
63.4 cm21 Jul 2008Downstream Wineham Bridge112337
63.3 cm29 Sept 2006Shermanbury102365
62.9 cm21 Jul 2008Downstream Wineham Bridge112337
62 cm21 Jul 2008Downstream Wineham Bridge112337
61.1 cm29 Sept 2006Shermanbury102365

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
Burgess Hill STW8 Aug 20025 Aug 20256
Downstream Wineham Bridge18 Aug 199722 Aug 20245
Hookers Farm4 Aug 199711 Jul 20243
Stairbridge Lane28 Jul 19975 Aug 20154
Nymans Farm, Shermanbury4 Aug 20154 Aug 20151
Shermanbury30 Sept 200430 Sept 20106

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

1997–2025

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 121 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
6.8 cm
Median
19.3 cm
Upper quarter
36.6 cm
Largest
76.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 106 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.1 oz (0.004 kg)
Median
2.8 oz (0.0805 kg)
Upper quarter
13.7 oz (0.389 kg)
Heaviest
10 lb 5.1 oz (4.68 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 Adur East Arm

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

Perch Roach Chub European eel Gudgeon 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 →