Brown / sea trout · Salmo trutta

Brown / sea trout in the Bourn/Black Brook

Largest measured brown / sea trout: 56 cm

The largest brown / sea trout measured in Environment Agency surveys of the Bourn/Black Brook was 56 cm, recorded at Hints on 17 July 1996.

Across 191 measured brown / sea trout, the median measured length was 28.4 cm.

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

See brown / sea trout records across England →

Most recent observation15 April 2025Shenstone Site One · 8 fish

Largest measured brown / sea trout: 56 cm
Median length: 28.4 cm
Fish measured: 191
Survey locations: 6

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
56 cm	17 Jul 1996	Hints	5128
50 cm	15 Jun 1999	Thickbroom	83286
49.6 cm	7 May 1991	Hints	4261
49.2 cm	21 Apr 1993	Hints	4897
49.1 cm	15 Apr 2025	Shenstone Site One	176350
49 cm	21 Apr 1993	Hints	4897
48.1 cm	7 May 1991	Hints	4261
46 cm	22 Jun 1999	Lodge Farm	83282
46 cm	7 May 1991	Hints	4261
45.9 cm	15 Apr 2025	Shenstone Site One	176350

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
Shenstone Site One	16 Jul 1996	15 Apr 2025	6
Thickbroom	1 May 1991	30 Apr 2013	6
Hints	7 May 1991	28 Sept 2004	5
Lodge Farm	10 Jul 1996	22 Sept 2004	3
Shenstone, Lammas Land	14 Jan 2003	14 Jan 2003	1
Shenstone Site Two	16 Jul 1996	16 Jul 1996	1

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

1991–2025

Survey records by year

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

291

092

293

094

095

596

097

098

399

000

001

002

103

404

005

006

007

008

009

110

011

012

213

014

015

016

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 191 measured fish were spread across different length ranges.

Smallest: 10.5 cm
Lower quarter: 19.9 cm
Median: 28.4 cm
Upper quarter: 34 cm
Largest: 56 cm

100–199 mm

200–299 mm

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 Bourn/Black Brook

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

Roach Dace Bullhead Stone loach 3-spined stickleback 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 →