Atlantic salmon · Salmo salar

Atlantic salmon in the River Main West Looe

Largest measured atlantic salmon: 18 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Main West Looe was 18 cm, recorded at Gillhill Wood on 27 July 2023.

Across 255 measured atlantic salmon, the median measured length was 6.6 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 Main West Looe.

See atlantic salmon records across England →

Most recent observation8 August 2025Gillhill Wood · 1 fish
Largest measured atlantic salmon
18 cm
Median length
6.6 cm
Fish measured
255
Survey locations
5

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
18 cm27 Jul 2023Gillhill Wood162815
15.7 cm9 Aug 2004Gillhill Wood81724
15.3 cm8 Aug 2025Gillhill Wood179034
15.1 cm25 Jul 2007Gillhill Wood106114
14.5 cm10 Aug 2002Millcoombe Farm72215
14.4 cm11 Aug 2003Gillhill Wood77504
14 cm2 Aug 2022Gillhill Wood161695
14 cm10 Jul 2006Gillhill Wood100056
13.7 cm9 Aug 2002Scawn Mill72212
13.2 cm16 Aug 2019Gillhill Wood155501

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
Gillhill Wood30 Sept 19948 Aug 202524
Millcoombe Farm8 Sept 199411 Aug 20145
Church Bridge3 Oct 19941 Aug 20144
Sowdens Bridge4 Oct 199423 Jul 20144
Scawn Mill19 Aug 199423 Jul 20145

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

1994–2025

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 255 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
5.5 cm
Median
6.6 cm
Upper quarter
10.6 cm
Largest
18 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main West Looe

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

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 →