Brown / sea trout · Salmo trutta

Brown / sea trout in the Main Red River

Largest measured brown / sea trout: 34.2 cm

The largest brown / sea trout measured in Environment Agency surveys of the Main Red River was 34.2 cm, recorded at Gwithian Bridge on 11 September 2013.

Across 95 measured brown / sea trout, the median measured length was 13.4 cm.

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

See brown / sea trout records across England →

Most recent observation11 September 2013Gwithian Bridge · 11 fish

Largest measured brown / sea trout: 34.2 cm
Median length: 13.4 cm
Fish measured: 95
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
34.2 cm	11 Sept 2013	Gwithian Bridge	139612
30.1 cm	11 Sept 2013	Gwithian Bridge	139612
24.7 cm	11 Sept 2013	Gwithian Bridge	139612
24.3 cm	11 Sept 2013	Gwithian Bridge	139612
23.5 cm	9 Sept 2002	u/s Brea Works	68101
23.4 cm	9 Sept 2002	Gwithian	68160
23.4 cm	1 Sept 2002	Menadarva	72897
22.1 cm	2 Oct 2008	Menadarva	114955
21.7 cm	9 Sept 2002	Gwithian	68160
21.6 cm	9 Sept 2002	u/s Brea Works	68101

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
Gwithian Bridge	11 Sept 2013	11 Sept 2013	1
Menadarva	16 Aug 2000	11 Jul 2012	4
Gwithian	17 Aug 2000	17 Sept 2009	3
u/s Brea Works	16 Aug 2000	9 Sept 2002	2
Kieve Bridge	15 Aug 2000	15 Aug 2000	1

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

2000–2013

Survey records by year

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

400

001

302

003

004

005

006

007

108

109

010

011

112

113

Fish measured by surveyors

Measured length distribution

See how the 95 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 8.7 cm
Median: 13.4 cm
Upper quarter: 17.4 cm
Largest: 34.2 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main Red River

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 →