RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Somerset Frome

Largest measured brown / sea trout: 41.2 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Somerset Frome was 41.2 cm, recorded at Tellisford (Te06) on 29 August 2019.

Across 310 measured brown / sea trout, the median measured length was 23.4 cm.

Surveyors recorded weights for 169 brown / sea trout. The median was 5.7 oz (0.162 kg) and the largest recorded weight was 1 lb 10.7 oz (0.758 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 Main Somerset Frome.

See brown / sea trout records across England →

Most recent observation22 September 2025Tellisford (Te06) · 2 fish
Largest measured brown / sea trout
41.2 cm
Median length
23.4 cm
Fish measured
310
Survey locations
8

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
41.2 cm29 Aug 2019Tellisford (Te06)155204
40.8 cm21 Sept 2004Snarlton Farm (Te)82709
39.2 cm29 Aug 2019Tellisford (Te06)155204
38.7 cm17 Aug 2005Snarlton Farm (Te)85493
38.4 cm21 Aug 2003Snarlton Farm (Te)76749
38.2 cm1 Aug 2006Downstream Scutts Bridge (Te)100838
37.5 cm18 Sept 2013Downstream Scutts Bridge (Te)138750
37 cm10 Aug 2016Oldford Farm148896
36.8 cm10 Aug 2016Oldford Farm148896
36.7 cm4 Sept 2003Creamery (Te)76927

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
Tellisford (Te06)3 Oct 200122 Sept 202510
Snarlton Farm (Te)21 Aug 200317 Aug 20168
Oldford Farm10 Aug 201610 Aug 20161
Blatchbridge (Te)14 Jul 200625 Sept 20132
Downstream Scutts Bridge (Te)27 Aug 200318 Sept 20135
Creamery (Te)4 Sept 200318 Sept 20137
Bull's Bridge23 Oct 200726 Jul 20102
Iron Mill Farm (Se-03)12 Jul 201012 Jul 20101

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 310 measured fish were spread across different length ranges.

Smallest
7.9 cm
Lower quarter
20 cm
Median
23.4 cm
Upper quarter
28.5 cm
Largest
41.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 169 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.006 kg)
Lower quarter
3.6 oz (0.102 kg)
Median
5.7 oz (0.162 kg)
Upper quarter
9.5 oz (0.27 kg)
Heaviest
1 lb 10.7 oz (0.758 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 Main Somerset Frome

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

Minnow Stone loach Roach Bullhead 3-spined stickleback Chub

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 →