Brown / sea trout · Salmo trutta

Brown / sea trout in the Derril Water

Largest measured brown / sea trout: 19.3 cm

The largest brown / sea trout measured in Environment Agency surveys of the Derril Water was 19.3 cm, recorded at Yeomaden on 28 July 2010.

Across 2 measured brown / sea trout, the median measured length was 17.6 cm.

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

See brown / sea trout records across England →

Most recent observation7 September 2016Yeomaden · 1 fish

Largest measured brown / sea trout: 19.3 cm
Median length: 17.6 cm
Fish measured: 2
Survey locations: 2

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
19.3 cm	28 Jul 2010	Yeomaden	123125
16 cm	7 Sept 2016	Yeomaden	149337

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
Yeomaden	1 Oct 1996	7 Sept 2016	3
Monks	26 Jul 1993	6 Oct 1999	2

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

1993–2016

Survey records by year

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

193

094

095

196

097

098

199

000

001

002

003

004

005

006

007

008

009

110

011

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 2 measured fish were spread across different length ranges.

Smallest: 16 cm
Lower quarter: 16.8 cm
Median: 17.7 cm
Upper quarter: 18.5 cm
Largest: 19.3 cm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Derril Water

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

Minnow Bullhead

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 →