RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Worm Gill

Largest measured atlantic salmon: 13.2 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Worm Gill was 13.2 cm, recorded at 1859.00 PTC River Calder, Worm Gill on 20 August 2025.

Across 586 measured atlantic salmon, the median measured length was 7 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 Worm Gill.

See atlantic salmon records across England →

Most recent observation20 August 20251859.00 PTC River Calder, Worm Gill · 94 fish
Largest measured atlantic salmon
13.2 cm
Median length
7 cm
Fish measured
586
Survey locations
10

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
13.2 cm20 Aug 20251859.00 PTC River Calder, Worm Gill178255
13.2 cm5 Sept 20241856.70 DS Ford, DS Existing site CPUE166830
13.2 cm27 Jul 20211859.00 PTC River Calder, Worm Gill160357
12.7 cm20 Aug 20251859.00 PTC River Calder, Worm Gill178255
12.5 cm20 Aug 20251859.00 PTC River Calder, Worm Gill178255
12.4 cm17 Aug 20221859.00 PTC River Calder, Worm Gill161548
12.2 cm27 Jul 20211859.00 PTC River Calder, Worm Gill160357
12.1 cm6 Sept 20231856.70 DS Ford, DS Existing site CPUE163385
12.1 cm5 Sept 20231859.10 PTC River Calder CPUE163182
12.1 cm5 Sept 20231859.00 PTC River Calder, Worm Gill163183

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
1859.00 PTC River Calder, Worm Gill11 Oct 199420 Aug 202515
1856.50 DS ford, Worm Gill22 Sept 200918 Aug 20258
1856.70 DS Ford, DS Existing site CPUE6 Sept 20235 Sept 20242
1859.10 PTC River Calder CPUE5 Sept 202313 Aug 20242
Habitat C11 Oct 200711 Oct 20071
Habitat B11 Oct 200711 Oct 20071
Habitat A11 Oct 200711 Oct 20071
1856.00 at NY 097 103, Worm Gill11 Oct 19944 Sept 19983
1855.00 DS NWW Intake, Worm Gill24 Sept 199724 Sept 19971
1854.00 US NWW Intake, Worm Gill11 Oct 199411 Oct 19941

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 586 measured fish were spread across different length ranges.

Smallest
3.9 cm
Lower quarter
5.6 cm
Median
7 cm
Upper quarter
9.5 cm
Largest
13.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Worm Gill

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 →