Brown / sea trout · Salmo trutta

Brown / sea trout in the River Lymington

Largest measured brown / sea trout: 54.7 cm

The largest brown / sea trout measured in Environment Agency surveys of the River Lymington was 54.7 cm, recorded at Ivywood on 5 November 2003.

Across 3,096 measured brown / sea trout, the median measured length was 6 cm.

Surveyors recorded weights for 926 brown / sea trout. The median was 0.4 oz (0.01 kg) and the largest recorded weight was 4 lb 2.6 oz (1.89 kg).

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

See brown / sea trout records across England →

Most recent observation17 September 2025u/s Blackensford / Bratley confluence · 11 fish

Largest measured brown / sea trout: 54.7 cm
Median length: 6 cm
Fish measured: 3,096
Survey locations: 38

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
54.7 cm	5 Nov 2003	Ivywood	78320
54.4 cm	5 Nov 2003	Ivywood	78320
46.2 cm	5 Nov 2003	Ivywood	78320
37.8 cm	4 Sept 2001	Haywoods Bridge	73525
35.3 cm	5 Nov 2003	Ivywood	78320
35.1 cm	4 Sept 2001	Haywoods Bridge	73525
33.2 cm	4 Sept 2001	Haywoods Bridge	73525
33.1 cm	5 Nov 2003	Ivywood	78320
33.1 cm	11 Sept 2001	Bolderford Bridge	73524
33.1 cm	4 Sept 2001	Haywoods Bridge	73525

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
u/s Blackensford / Bratley confluence	19 Jun 2003	17 Sept 2025	15
Turfcroft Farm	24 Aug 2007	8 Aug 2025	4
Bratley Wood	31 Oct 2007	28 Jul 2025	4
Forest Gate	22 Aug 2007	24 Jul 2025	4
Upstream of Puttle's Bridge	6 Aug 2013	18 Jul 2025	3
Bolderford Bridge	11 Sept 2001	18 Jul 2025	6
Withybed Bottom	5 Dec 2002	17 Jul 2025	13
Lucas Castle	16 Jun 2003	17 Jul 2025	6
Long Brook	20 Aug 2007	17 Jul 2025	4
Blackensford Lawn	20 Jun 2003	17 Jul 2025	6
Bratley Arch	10 Sept 2007	16 Jul 2025	4
Ocknell Inclosure	24 Aug 2007	7 Jul 2025	4
Mogshade Bottom	7 Jul 2025	7 Jul 2025	1
Fletchers Water	26 Jun 2003	11 Jul 2019	5
Upstream of Turfcroft Farm	9 Jul 2019	9 Jul 2019	1
Puttle's Bridge	11 Sept 2001	20 Jun 2018	4
Millyford Bridge	20 Jun 2018	20 Jun 2018	1
Stinking Edge Wood tributary	2 Sept 2013	2 Sept 2013	1
Blackensford Bottom tributary	2 Sept 2013	2 Sept 2013	1
Ivywood	23 Aug 2002	6 Aug 2013	5
Slufter's Inclosure	22 Aug 2007	26 Jul 2013	2
Red Rise	23 Aug 2007	12 May 2011	2
d/s Blackensford / Bratley confluence	26 Aug 2009	26 Aug 2009	1
Rhinefield LIFE site	13 Aug 2007	13 Aug 2007	1
Burley Lodge	1 Jul 2003	31 May 2006	2
Dog Kennel Bridge	2 Jul 2003	18 May 2006	2
Woolsfield Hill	30 Jun 2003	17 May 2006	2
Hart Hill	27 Jun 2003	17 May 2006	2
DS Warwickslade Bridge	24 Jun 2003	17 May 2006	2
Dames Slough Enclosure	24 Jun 2003	16 May 2006	2
DS Blackwater Bridge	25 Jun 2003	16 May 2006	2
Rhinefield	11 Sept 2001	9 May 2006	3
Poundhill Heath	27 Jun 2003	5 May 2006	2
Highland water reptillary	18 Jun 2003	5 May 2006	2
DS Confluence of Withybed Bottom + Highland Water	18 Jun 2003	4 May 2006	2
Woolsmoor meads 2	6 Dec 2002	6 Dec 2002	1
Woolsmoor Meads 1	6 Dec 2002	6 Dec 2002	1
Haywoods Bridge	4 Sept 2001	4 Sept 2001	1

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

2001–2025

Survey records by year

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

401

402

1603

104

005

1606

1607

208

309

110

411

212

1713

014

215

016

217

318

1419

020

221

022

223

024

1325

Fish measured by surveyors

Measured length distribution

See how the 3,096 measured fish were spread across different length ranges.

Smallest: 0.6 cm
Lower quarter: 5 cm
Median: 6 cm
Upper quarter: 11.2 cm
Largest: 54.7 cm

0–99 mm

2149

100–199 mm

814

200–299 mm

109

300–399 mm

400–499 mm

500–599 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 926 brown / sea trout. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0 oz (0.001 kg)
Median: 0.4 oz (0.01 kg)
Upper quarter: 1.2 oz (0.034 kg)
Heaviest: 4 lb 2.6 oz (1.89 kg)

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

More fish in this river

Explore the River Lymington

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

Bullhead Minnow Stone loach Brook lamprey European eel Chub

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 →