Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Penberth

Largest measured brown / sea trout: 18.3 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Penberth was 18.3 cm, recorded at Treen on 31 May 2018.

Across 80 measured brown / sea trout, the median measured length was 11.7 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 Main Penberth.

See brown / sea trout records across England →

Most recent observation1 June 2018Bottoms · 9 fish

Largest measured brown / sea trout: 18.3 cm
Median length: 11.7 cm
Fish measured: 80
Survey locations: 3

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
18.3 cm	31 May 2018	Treen	153034
16.4 cm	20 Jul 2010	Treen	122969
16 cm	17 Jun 2005	Treen	86804
15.3 cm	17 Jun 2005	Treen	86804
15.1 cm	31 May 2018	Treen	153034
15.1 cm	8 Oct 2012	Bottoms	134549
14.8 cm	1 Jun 2018	Bottoms	153035
14.7 cm	20 Jul 2010	Treen	122969
14.7 cm	20 Jul 2010	Treen	122969
14.6 cm	1 Jun 2018	Bottoms	153035

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
Bottoms	2 Jul 1987	1 Jun 2018	3
Treen	2 Jul 1987	31 May 2018	4
Penrose	25 Jun 1987	25 Jun 1987	1

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

1987–2018

Survey records by year

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

387

088

089

090

091

092

093

094

095

096

097

098

099

000

001

002

003

004

105

006

007

008

009

110

011

112

013

014

015

016

017

218

Fish measured by surveyors

Measured length distribution

See how the 80 measured fish were spread across different length ranges.

Smallest: 3.4 cm
Lower quarter: 5.4 cm
Median: 11.7 cm
Upper quarter: 13.9 cm
Largest: 18.3 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Penberth

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

European eel

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 →