Brown / sea trout · Salmo trutta

Brown / sea trout in the Trebiffen Stream

Largest measured brown / sea trout: 18.1 cm

The largest brown / sea trout measured in Environment Agency surveys of the Trebiffen Stream was 18.1 cm, recorded at Trebiffen on 2 August 2012.

Across 108 measured brown / sea trout, the median measured length was 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 Trebiffen Stream.

See brown / sea trout records across England →

Most recent observation1 September 2017Trebiffen · 17 fish

Largest measured brown / sea trout: 18.1 cm
Median length: 7 cm
Fish measured: 108
Survey locations: 1

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
18.1 cm	2 Aug 2012	Trebiffen	132628
18.1 cm	5 Aug 2009	Trebiffen	118552
17.6 cm	2 Aug 2012	Trebiffen	132628
17 cm	2 Aug 2012	Trebiffen	132628
16.6 cm	5 Aug 2009	Trebiffen	118552
16.4 cm	5 Aug 2009	Trebiffen	118552
16.3 cm	2 Aug 2012	Trebiffen	132628
16 cm	2 Aug 2012	Trebiffen	132628
15.9 cm	2 Aug 2012	Trebiffen	132628
15.7 cm	2 Aug 2012	Trebiffen	132628

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
Trebiffen	1 Oct 1987	1 Sept 2017	7

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

1987–2017

Survey records by year

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

187

088

089

090

091

092

093

094

095

096

097

098

099

000

001

002

103

004

005

006

007

108

109

010

111

112

013

014

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 108 measured fish were spread across different length ranges.

Smallest: 4.5 cm
Lower quarter: 6.5 cm
Median: 7 cm
Upper quarter: 8.5 cm
Largest: 18.1 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Trebiffen Stream

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

Bullhead 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 →