Brown / sea trout · Salmo trutta

Brown / sea trout in the River Duston Branch

Largest measured brown / sea trout: 50.3 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Duston Branch was 50.3 cm, recorded at Dodford on 30 August 1989.

Across 400 measured brown / sea trout, the median measured length was 19.5 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 Duston Branch.

See brown / sea trout records across England →

Most recent observation20 November 2018Whilton STW Downstream · 1 fish

Largest measured brown / sea trout: 50.3 cm
Median length: 19.5 cm
Fish measured: 400
Survey locations: 9

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
50.3 cm	30 Aug 1989	Dodford	54106
50 cm	14 Sept 2001	Kislingbury	73199
50 cm	10 Sept 1998	Brockhall	54135
48 cm	14 Sept 2001	Kislingbury	73199
48 cm	14 Sept 2001	Kislingbury	73199
47.8 cm	30 Aug 1989	Dodford	54106
47.3 cm	30 Aug 1989	Dodford	54106
47.2 cm	24 Sept 2008	Whilton STW Downstream	114775
45.7 cm	24 Sept 2008	Whilton STW Upstream	114776
45 cm	25 Jul 2001	Brockhall	73286

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
Whilton STW Downstream	24 Sept 2008	20 Nov 2018	2
Dodford	30 Aug 1989	20 Nov 2018	7
Nether Heyford	17 Sept 1998	8 Jun 2018	2
Long Buckby STW Upstream	23 Sept 2008	30 Apr 2015	3
Everdon	23 Sept 2008	29 Apr 2015	4
Long Buckby STW Downstream	23 Sept 2008	24 Sept 2013	2
Whilton STW Upstream	24 Sept 2008	24 Sept 2008	1
Kislingbury	7 Oct 1998	14 Sept 2001	2
Brockhall	10 Sept 1998	25 Jul 2001	2

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

1989–2018

Survey records by year

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

189

090

091

092

093

094

195

096

097

498

099

000

201

002

003

004

005

006

007

608

109

010

011

012

413

014

315

016

017

318

Fish measured by surveyors

Measured length distribution

See how the 400 measured fish were spread across different length ranges.

Smallest: 3.7 cm
Lower quarter: 11.2 cm
Median: 19.5 cm
Upper quarter: 25.8 cm
Largest: 50.3 cm

0–99 mm

100–199 mm

133

200–299 mm

128

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Duston Branch

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

Bullhead Pike Perch Roach Minnow 3-spined stickleback

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 →