Atlantic salmon · Salmo salar

Atlantic salmon in the Witheven Stream

Largest measured atlantic salmon: 12.2 cm

The largest atlantic salmon measured in Environment Agency surveys of the Witheven Stream was 12.2 cm, recorded at Witheven on 14 September 2021.

Across 13 measured atlantic salmon, the median measured length was 7.1 cm.

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

See atlantic salmon records across England →

Most recent observation14 September 2021Witheven · 3 fish

Largest measured atlantic salmon: 12.2 cm
Median length: 7.1 cm
Fish measured: 13
Survey locations: 1

Individual EA measurements

Largest measured atlantic salmon

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
12.2 cm	14 Sept 2021	Witheven	160726
11.6 cm	19 Aug 2015	Witheven	146034
10.8 cm	19 Aug 2015	Witheven	146034
10 cm	19 Aug 2015	Witheven	146034
9.6 cm	19 Aug 2015	Witheven	146034
7.2 cm	19 Aug 2015	Witheven	146034
7.1 cm	14 Sept 2021	Witheven	160726
6.7 cm	14 Sept 2021	Witheven	160726
6.2 cm	19 Aug 2015	Witheven	146034
6.2 cm	19 Aug 2015	Witheven	146034

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where atlantic salmon were found

Each point marks a survey location with at least one atlantic salmon 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 atlantic salmon
Witheven	26 Jul 1984	14 Sept 2021	5

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

1984–2021

Survey records by year

Each bar shows how many survey visits recorded atlantic salmon that year.

184

085

086

087

088

089

090

091

092

193

094

095

196

097

098

099

000

001

002

003

004

005

006

007

008

009

010

011

012

013

014

115

016

017

018

019

020

121

Fish measured by surveyors

Measured length distribution

See how the 13 measured fish were spread across different length ranges.

Smallest: 5.5 cm
Lower quarter: 6.2 cm
Median: 7.1 cm
Upper quarter: 10 cm
Largest: 12.2 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Witheven Stream

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

Brown / sea trout Minnow Stone loach

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 →