Brown / sea trout · Salmo trutta

Brown / sea trout in the Main Doniford Stream

Largest measured brown / sea trout: 35 cm

The largest brown / sea trout measured in Environment Agency surveys of the Main Doniford Stream was 35 cm, recorded at Curdon Mill on 29 September 1994.

Across 639 measured brown / sea trout, the median measured length was 18.5 cm.

Surveyors recorded weights for 438 brown / sea trout. The median was 2.8 oz (0.0785 kg) and the largest recorded weight was 13.8 oz (0.391 kg).

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

See brown / sea trout records across England →

Most recent observation19 September 2019Maggies Field (Se-05) · 65 fish

Largest measured brown / sea trout: 35 cm
Median length: 18.5 cm
Fish measured: 639
Survey locations: 7

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
35 cm	29 Sept 1994	Curdon Mill	79767
33.9 cm	26 Mar 1999	High Bridge	75948
31.5 cm	12 May 1999	Leigh Cottage	75944
30.5 cm	29 Sept 1994	Curdon Mill	79767
30.4 cm	29 Sept 1994	Curdon Mill	79767
30.4 cm	13 Sept 1994	Leigh Cottage	79722
30 cm	19 Sept 2019	Maggies Field (Se-05)	155396
29.5 cm	26 Mar 1999	High Bridge	75948
29.4 cm	9 Apr 1999	Curdon Mill	75945
28.8 cm	13 Sept 1994	Leigh Cottage	79722

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
Maggies Field (Se-05)	22 Mar 1999	19 Sept 2019	4
Bee Farm	8 Oct 2013	8 Oct 2013	1
Pit Lane	13 Sept 1994	25 May 1999	2
Kingswood	21 Sept 1994	18 May 1999	2
Leigh Cottage	13 Sept 1994	12 May 1999	2
Curdon Mill	29 Sept 1994	9 Apr 1999	2
High Bridge	26 Mar 1999	26 Mar 1999	1

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

1994–2019

Survey records by year

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

494

095

096

097

098

699

000

001

002

003

004

105

006

007

008

009

010

011

012

213

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 639 measured fish were spread across different length ranges.

Smallest: 2.3 cm
Lower quarter: 14.8 cm
Median: 18.5 cm
Upper quarter: 21.5 cm
Largest: 35 cm

0–99 mm

100–199 mm

336

200–299 mm

233

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 438 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 1.5 oz (0.042 kg)
Median: 2.8 oz (0.0785 kg)
Upper quarter: 4.1 oz (0.1168 kg)
Heaviest: 13.8 oz (0.391 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Main Doniford Stream

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

Bullhead European eel Brook lamprey 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 →