RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Main Warleggan

Largest measured atlantic salmon: 15.6 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Main Warleggan was 15.6 cm, recorded at Carne Wood on 5 September 2019.

Across 2,938 measured atlantic salmon, the median measured length was 6.4 cm.

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

See atlantic salmon records across England →

Most recent observation2 September 2025Carne Wood · 5 fish
Largest measured atlantic salmon
15.6 cm
Median length
6.4 cm
Fish measured
2,938
Survey locations
8

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
15.6 cm5 Sept 2019Carne Wood155691
14.9 cm5 Oct 1979Panters Bridge135520
14.8 cm5 Sept 2019Carne Wood155691
14.7 cm8 May 1979Panters Bridge134821
14.6 cm9 Sept 2003u/s Maidenwell77488
14.4 cm27 Jul 2010Carne Wood123131
14.4 cm15 Sept 1997u/s Maidenwell134576
14.2 cm1 Sept 2014Carne Wood142603
14.2 cm17 Jul 2012Carne Wood132607
14.2 cm17 Jul 2012Carne Wood132607

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
Carne Wood29 Jul 19942 Sept 202529
West Wood10 Aug 197723 Jul 202420
u/s Maidenwell27 Jul 199426 Jul 201211
Panters Bridge9 Aug 19778 Sept 201118
Tank Bridge31 Oct 200631 Oct 20061
Temple4 Aug 19949 Aug 20056
Wooda Bridge2 Aug 199428 Sept 20049
Warleggan Gauging Station4 Aug 19947 Sept 20049

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

1977–2025

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 2,938 measured fish were spread across different length ranges.

Smallest
2.6 cm
Lower quarter
5.4 cm
Median
6.4 cm
Upper quarter
9.8 cm
Largest
15.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Warleggan

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

Brown / sea trout European eel Bullhead

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 →