RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Dunsop

Largest measured atlantic salmon: 20 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Dunsop was 20 cm, recorded at Below Footholme on 3 September 1998.

Across 1,567 measured atlantic salmon, the median measured length was 8 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 Dunsop.

See atlantic salmon records across England →

Most recent observation1 June 2026Dunsop Bridge · 34 fish
Largest measured atlantic salmon
20 cm
Median length
8 cm
Fish measured
1,567
Survey locations
3

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
20 cm3 Sept 1998Below Footholme112366
17.5 cm3 Sept 1998Upstream Closes Barn113826
17.4 cm1 Aug 1984Upstream Closes Barn115506
17.2 cm1 Jun 2026Dunsop Bridge181880
16.9 cm1 Jun 2026Dunsop Bridge181880
16.9 cm1 Jun 2026Dunsop Bridge181880
16.5 cm30 Jul 2004Below Footholme82978
16.4 cm1 Jun 2026Dunsop Bridge181880
16 cm3 Sept 1998Below Footholme112366
15.8 cm1 Jun 2026Dunsop Bridge181880

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
Dunsop Bridge1 Aug 19841 Jun 202614
Below Footholme1 Aug 198412 Jun 202418
Upstream Closes Barn1 Aug 19843 Sept 19982

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

1984–2026

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 1,567 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
5.9 cm
Median
8 cm
Upper quarter
11 cm
Largest
20 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dunsop

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

Brown / sea trout European eel

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 →