Brown / sea trout · Salmo trutta

Brown / sea trout in the Garren Brook

Largest measured brown / sea trout: 41.4 cm

The largest brown / sea trout measured in Environment Agency surveys of the Garren Brook was 41.4 cm, recorded at Trereece on 22 August 2019.

Across 47 measured brown / sea trout, the median measured length was 25.2 cm.

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

See brown / sea trout records across England →

Most recent observation7 August 2025Trereece · 1 fish

Largest measured brown / sea trout: 41.4 cm
Median length: 25.2 cm
Fish measured: 47
Survey locations: 1

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
41.4 cm	22 Aug 2019	Trereece	155712
35 cm	29 Aug 2013	Trereece	138232
32.8 cm	22 Aug 2019	Trereece	155712
31.5 cm	22 Aug 2019	Trereece	155712
31 cm	29 Aug 2013	Trereece	138232
30.6 cm	28 Sept 2011	Trereece	128179
28.7 cm	22 Aug 2019	Trereece	155712
27.9 cm	29 Aug 2013	Trereece	138232
27.5 cm	22 Aug 2019	Trereece	155712
27.4 cm	29 Aug 2013	Trereece	138232

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
Trereece	23 Sept 2008	7 Aug 2025	5

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

2008–2025

Survey records by year

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

108

009

010

111

012

113

014

015

016

017

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 47 measured fish were spread across different length ranges.

Smallest: 7 cm
Lower quarter: 17.8 cm
Median: 25.2 cm
Upper quarter: 26.1 cm
Largest: 41.4 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Garren Brook

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

Bullhead Minnow

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 →