Brown / sea trout · Salmo trutta

Brown / sea trout in the River Main Porth

Largest measured brown / sea trout: 36.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Main Porth was 36.5 cm, recorded at Tregoose Ford Bridge on 16 August 2006.

Across 531 measured brown / sea trout, the median measured length was 12.4 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 Porth.

See brown / sea trout records across England →

Most recent observation12 June 2015Rialton Bridge · 113 fish

Largest measured brown / sea trout: 36.5 cm
Median length: 12.4 cm
Fish measured: 531
Survey locations: 5

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
36.5 cm	16 Aug 2006	Tregoose Ford Bridge	100811
25.6 cm	16 Aug 2006	Tregoose Ford Bridge	100811
25.5 cm	28 May 2012	Rialton Bridge	131281
22.8 cm	15 Sept 2006	Rialton Bridge	101517
22.4 cm	12 Jun 2015	Rialton Bridge	144939
21.8 cm	10 Jun 2005	Rialton Bridge	86784
21.7 cm	28 May 2012	Rialton Bridge	131281
21.6 cm	12 Jun 2015	Rialton Bridge	144939
21.5 cm	23 Aug 2006	Melancoose	101665
21.4 cm	16 Jun 2005	Melancoose	86782

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
Rialton Bridge	2 Jun 1986	12 Jun 2015	5
Tregoose Ford Bridge	14 Jun 2005	11 Jun 2015	4
Melancoose	16 Jun 2005	23 Aug 2006	2
Nanswhydden	2 Jun 1986	2 Jun 1986	1
Nankelly	21 May 1986	21 May 1986	1

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

1986–2015

Survey records by year

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

386

087

088

089

090

091

092

093

094

095

096

097

098

099

000

001

002

003

004

305

306

007

008

009

010

011

212

013

014

215

Fish measured by surveyors

Measured length distribution

See how the 531 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 5.5 cm
Median: 12.4 cm
Upper quarter: 15.3 cm
Largest: 36.5 cm

0–99 mm

205

100–199 mm

303

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Porth

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

European eel Roach Perch

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 →