Brown / sea trout · Salmo trutta

Brown / sea trout in the Byne Brook

Largest measured brown / sea trout: 32.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the Byne Brook was 32.5 cm, recorded at Strefford on 5 October 2005.

Across 252 measured brown / sea trout, the median measured length was 17.4 cm.

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

See brown / sea trout records across England →

Most recent observation30 August 2024Wolverton · 15 fish

Largest measured brown / sea trout: 32.5 cm
Median length: 17.4 cm
Fish measured: 252
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
32.5 cm	5 Oct 2005	Strefford	86989
31.3 cm	22 Jun 2000	Strefford	15660
31.3 cm	22 Jun 2000	Strefford	15660
30.7 cm	30 Aug 2024	Wolverton	168253
30.5 cm	22 Jun 2000	Wolverton	15658
30.5 cm	22 Jun 2000	Wolverton	15658
29.8 cm	5 Oct 2005	Strefford	86989
29.6 cm	5 Oct 2005	Strefford	86989
29.6 cm	22 Jun 2000	Strefford	15660
29.6 cm	22 Jun 2000	Strefford	15660

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
Wolverton	1 Jul 1993	30 Aug 2024	5
Strefford	1 Jul 1993	27 Jun 2013	5
Affcot Manor Farm	21 Aug 2012	21 Aug 2012	1

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

1993–2024

Survey records by year

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

293

094

095

096

097

098

099

200

001

002

203

004

105

006

007

008

009

010

011

212

113

014

015

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 252 measured fish were spread across different length ranges.

Smallest: 6.2 cm
Lower quarter: 15.1 cm
Median: 17.5 cm
Upper quarter: 22.5 cm
Largest: 32.5 cm

0–99 mm

100–199 mm

146

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Byne Brook

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

Bullhead Minnow Stone loach European eel

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 →