Brown / sea trout · Salmo trutta

Brown / sea trout in the Main river sites

Largest measured brown / sea trout: 48 cm

The largest brown / sea trout measured in Environment Agency surveys of the Main river sites was 48 cm, recorded at Martins River Island on 13 July 2006.

Across 1,485 measured brown / sea trout, the median measured length was 17.5 cm.

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

See brown / sea trout records across England →

Most recent observation13 September 2023Lower Bockhampton · 18 fish

Largest measured brown / sea trout: 48 cm
Median length: 17.5 cm
Fish measured: 1,485
Survey locations: 32

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
48 cm	13 Jul 2006	Martins River Island	102497
43.3 cm	18 Oct 2006	Muckleford	102367
42.7 cm	9 Aug 2006	ds Woodsford	100980
41.3 cm	15 Oct 2013	Muckleford d/s of bridge	139648
41.2 cm	13 Jul 2006	Lower Bockhampton	100850
41 cm	4 May 2005	Wareham Boathouse to Swineham Point	84496
40.9 cm	18 Oct 2006	Muckleford	102367
40.5 cm	18 Oct 2006	Muckleford	102367
40.2 cm	18 Oct 2006	Muckleford	102367
40.2 cm	18 Oct 2006	Muckleford	102367

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
Lower Bockhampton	13 Jul 2006	13 Sept 2023	3
Cruxton	23 Aug 2005	13 Sept 2023	4
Upstream Sandhills	17 Aug 2011	24 Aug 2017	3
Chilfrome Downstream Bridge	9 Oct 2012	22 Sept 2016	3
Crockways	9 Sept 2009	12 Sept 2016	3
Crockway Farm	9 Oct 2013	12 Sept 2016	2
Holmebridge	6 Sept 2005	22 Oct 2015	2
Opposite Ambulance Station	7 Oct 2009	13 Oct 2015	2
Wrackleford	18 Oct 2006	23 Sept 2015	2
d/s Woodsford	6 Sept 2005	4 Sept 2015	3
d/s Louds Mill	15 Sept 2005	19 Aug 2015	4
Lewell Mill	14 Sept 2005	18 Aug 2015	3
Ford at Moreton	12 Sept 2005	18 Aug 2015	3
d/s Hangmans Weir	15 Oct 2013	15 Oct 2013	1
Wrackleford Main Channel	15 Oct 2013	15 Oct 2013	1
Muckleford d/s of bridge	15 Oct 2013	15 Oct 2013	1
Upstream Martin River Island	14 Aug 2013	14 Aug 2013	1
Upstream Woodsford WLMP	15 Sept 2010	15 Sept 2010	1
Downstream Woodsford WLMP	8 Sept 2010	8 Sept 2010	1
Muckleford	18 Oct 2006	17 Sept 2009	2
Whitfield Farm (A37)	2 Sept 2009	2 Sept 2009	1
Chilfrome Upstream bridge	9 Oct 2006	9 Oct 2006	1
Maiden Newton House - mill	29 Sept 2006	29 Sept 2006	1
Maiden Newton House - main river	29 Sept 2006	29 Sept 2006	1
Frome Vauchurch	26 Sept 2006	26 Sept 2006	1
ds Woodsford	9 Aug 2006	9 Aug 2006	1
Upstream Woodsford	9 Aug 2006	9 Aug 2006	1
Martins River Island	13 Jul 2006	13 Jul 2006	1
Whitfield Farm	7 Sept 2005	7 Sept 2005	1
Rushton Farm	6 Sept 2005	6 Sept 2005	1
d/s East Stoke to u/s Swanage Railway Bridge	14 Jun 2005	14 Jun 2005	1
Wareham Boathouse to Swineham Point	4 May 2005	4 May 2005	1

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

2005–2023

Survey records by year

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

1005

1006

007

008

909

210

211

112

713

014

1015

316

117

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 1,485 measured fish were spread across different length ranges.

Smallest: 4.8 cm
Lower quarter: 10.2 cm
Median: 17.5 cm
Upper quarter: 22.5 cm
Largest: 48 cm

0–99 mm

326

100–199 mm

592

200–299 mm

465

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main river sites

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

European eel Atlantic salmon Minnow Bullhead Stone loach Grayling

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 →