Brown / sea trout · Salmo trutta

Brown / sea trout in the Shelf Brook

Largest measured brown / sea trout: 29.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the Shelf Brook was 29.8 cm, recorded at Etsh02 on 18 April 2011.

Across 353 measured brown / sea trout, the median measured length was 10.9 cm.

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

See brown / sea trout records across England →

Most recent observation2 June 2025Etsh02 · 133 fish

Largest measured brown / sea trout: 29.8 cm
Median length: 10.9 cm
Fish measured: 353
Survey locations: 3

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
29.8 cm	18 Apr 2011	Etsh02	126666
29.8 cm	18 Apr 2011	Etsh02	126666
28.6 cm	18 Apr 2011	Etsh02	126666
26.5 cm	2 Jun 2025	Etsh02	179720
26.3 cm	18 Apr 2011	Etsh02	126666
23.1 cm	2 Jun 2025	Etsh02	179720
22.5 cm	29 May 2014	Etsh02	140922
22.4 cm	2 Jun 2025	Etsh02	179720
22.2 cm	24 Oct 2013	Etsh01	140347
22.1 cm	2 Jun 2025	Etsh01	179719

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
Etsh02	8 Apr 1999	2 Jun 2025	4
Etsh01	24 Oct 2013	2 Jun 2025	2
Sh01	8 Apr 1999	8 Apr 1999	1

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

1999–2025

Survey records by year

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

299

000

001

002

003

004

005

006

007

008

009

010

111

012

113

114

015

016

017

018

019

020

021

022

023

024

225

Fish measured by surveyors

Measured length distribution

See how the 353 measured fish were spread across different length ranges.

Smallest: 4.7 cm
Lower quarter: 9.5 cm
Median: 10.9 cm
Upper quarter: 13.1 cm
Largest: 29.8 cm

0–99 mm

111

100–199 mm

228

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

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 →