Brown / sea trout · Salmo trutta

Brown / sea trout in the Monksilver Stream

Largest measured brown / sea trout: 30.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the Monksilver Stream was 30.8 cm, recorded at Orchard Wyndham on 8 June 1999.

Across 215 measured brown / sea trout, the median measured length was 16.4 cm.

Surveyors recorded weights for 158 brown / sea trout. The median was 2.2 oz (0.062 kg) and the largest recorded weight was 11.3 oz (0.321 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Monksilver Stream.

See brown / sea trout records across England →

Most recent observation18 September 2019D/s Yarde · 36 fish

Largest measured brown / sea trout: 30.8 cm
Median length: 16.4 cm
Fish measured: 215
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.

Length	Survey date	Survey location	Survey ID
30.8 cm	8 Jun 1999	Orchard Wyndham	75921
30.5 cm	25 Oct 1994	Downstream Catwell House	79720
30.3 cm	24 Apr 2013	D/s Yarde	135896
28.3 cm	25 Oct 1994	Downstream Catwell House	79720
28 cm	15 Jun 1999	Downstream of Williton	75941
27.3 cm	24 Apr 2013	D/s Yarde	135896
26 cm	18 Sept 2019	D/s Yarde	155397
25.7 cm	15 Jun 1999	Downstream of Williton	75941
25 cm	15 Jun 1999	Downstream of Williton	75941
24.8 cm	5 Oct 1994	Orchard Wyndham	79719

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 surveyed	First recorded	Last recorded	Visits finding brown / sea trout
D/s Yarde	24 Apr 2013	18 Sept 2019	2
Pond Wood	11 Oct 1994	18 Jun 1999	2
Downstream of Williton	15 Jun 1999	15 Jun 1999	1
Housepiece Copse	4 Oct 1994	11 Jun 1999	2
Orchard Wyndham	5 Oct 1994	8 Jun 1999	2
Downstream Catwell House	25 Oct 1994	25 Oct 1994	1

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

1994–2019

Survey records by year

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

494

095

096

097

098

499

000

001

002

003

004

005

006

007

008

009

010

011

012

113

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 215 measured fish were spread across different length ranges.

Smallest: 3 cm
Lower quarter: 11.3 cm
Median: 16.4 cm
Upper quarter: 21 cm
Largest: 30.8 cm

0–99 mm

100–199 mm

118

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 158 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: 0.7 oz (0.0212 kg)
Median: 2.2 oz (0.062 kg)
Upper quarter: 4.1 oz (0.1168 kg)
Heaviest: 11.3 oz (0.321 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Monksilver Stream

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

Bullhead European eel Rainbow trout Stone loach

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 →