RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the Main River Coly

Largest measured atlantic salmon: 19.9 cm

The largest atlantic salmon measured in Environment Agency surveys of the Main River Coly was 19.9 cm, recorded at Heathayne (Te)* on 26 June 2008.

Across 49 measured atlantic salmon, the median measured length was 12.4 cm.

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

See atlantic salmon records across England →

Most recent observation30 June 2023Upstream Chantry Bridge (5 min) · 1 fish
Largest measured atlantic salmon
19.9 cm
Median length
12.4 cm
Fish measured
49
Survey locations
4

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
19.9 cm26 Jun 2008Heathayne (Te)*111664
17.8 cm26 Jun 2008Heathayne (Te)*111664
17.6 cm26 Jun 2008Heathayne (Te)*111664
17.3 cm26 Jun 2008Heathayne (Te)*111664
16.4 cm22 Jun 2016Upstream Colyford (Sp)148409
16.3 cm22 Jun 2016Upstream Colyford (Sp)148409
16 cm14 Jun 2018Upstream Cadhayne (Te)152699
15.7 cm22 Jun 2016Upstream Colyford (Sp)148409
14.7 cm22 Jun 2016Upstream Colyford (Sp)148409
14.6 cm4 Jun 2010Upstream Colyford (Sp)121828

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
Upstream Chantry Bridge (5 min)30 Jun 202330 Jun 20231
Upstream Cadhayne (Te)14 Jun 201814 Jun 20181
Upstream Colyford (Sp)18 Jul 199722 Jun 20164
Heathayne (Te)*22 Jul 199726 Jun 20088

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

1997–2023

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 49 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
4.6 cm
Median
12.4 cm
Upper quarter
13.8 cm
Largest
19.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Coly

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

Brown / sea trout Bullhead Stone loach European eel Minnow

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 →