RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Ruthern

Largest measured atlantic salmon: 15 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Ruthern was 15 cm, recorded at Ruthern Bridge on 19 August 2002.

Across 541 measured atlantic salmon, the median measured length was 6 cm.

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

See atlantic salmon records across England →

Most recent observation1 July 2026Ruthern Bridge · 28 fish
Largest measured atlantic salmon
15 cm
Median length
6 cm
Fish measured
541
Survey locations
6

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.

LengthSurvey dateSurvey locationSurvey ID
15 cm19 Aug 2002Ruthern Bridge72561
14.7 cm15 Jun 2017Withiel150709
14.3 cm1 Jul 2026Ruthern Bridge182013
13.5 cm9 Jul 2015Ruthern Bridge145380
13.5 cm19 Aug 2002Ruthern Bridge72561
13.4 cm1 Jul 2026Ruthern Bridge182013
13.3 cm2 Jul 2024Ruthern Bridge165490
13.2 cm2 Jul 2013Ruthern Bridge136957
13.2 cm19 Aug 2002Ruthern Bridge72561
12.9 cm22 Aug 2003Ruthern Bridge77246

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 surveyedFirst recordedLast recordedVisits finding atlantic salmon
Ruthern Bridge20 Jun 19891 Jul 202624
Ruthernbridge Dip28 Jun 202328 Jun 20231
Withiel16 Jul 198015 Jun 201711
Cottonwood23 Jul 198021 Jul 20008
Trewithian16 Jul 198012 Aug 19974
Trewollack26 Jun 199120 Jun 19942

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

1980–2026

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 541 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
4.6 cm
Median
6 cm
Upper quarter
9.4 cm
Largest
15 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ruthern

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

Brown / sea trout Bullhead European eel Brook lamprey

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 →