Brown / sea trout · Salmo trutta

Brown / sea trout in the Yockleton Brook

Largest measured brown / sea trout: 30.5 cm

The largest brown / sea trout measured in Environment Agency surveys of the Yockleton Brook was 30.5 cm, recorded at Nox on 30 June 2021.

Across 9 measured brown / sea trout, the median measured length was 20.7 cm.

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

See brown / sea trout records across England →

Most recent observation30 June 2021Nox · 1 fish

Largest measured brown / sea trout: 30.5 cm
Median length: 20.7 cm
Fish measured: 9
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
30.5 cm	30 Jun 2021	Nox	159963
26 cm	19 May 2011	Nox	126277
23.6 cm	19 May 2011	Nox	126277
23.4 cm	19 May 2011	Nox	126277
20.7 cm	19 May 2011	Nox	126277
15.8 cm	3 Jun 2003	Nox	76253
12.8 cm	19 May 2011	Nox	126277
12.5 cm	19 May 2011	Nox	126277
12 cm	4 Jun 2013	Nox	136472

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
Nox	14 Jul 1993	30 Jun 2021	5

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

1993–2021

Survey records by year

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

193

094

095

096

097

098

099

000

001

002

103

004

005

006

007

008

009

010

111

012

113

014

015

016

017

018

019

020

121

Fish measured by surveyors

Measured length distribution

See how the 9 measured fish were spread across different length ranges.

Smallest: 12 cm
Lower quarter: 12.8 cm
Median: 20.7 cm
Upper quarter: 23.6 cm
Largest: 30.5 cm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Yockleton Brook

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

Bullhead Minnow 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 →