Data Dashboard

All the latest data and charts from Fish Health Inspectorate and Salmon Scotland in one handy place.

Salmon Scotland - Average mortality rate

Source

Salmon Scotland - Most deadly sites in 2026*

  1. Vuia Mor 48.2% (Jul 26)
  2. Druimyeon Bay 35.4% (Jun 26)
  3. Bagh Dail Nan Cean 35.1% (Jan 26)
  4. Gometra 35.1% (Apr 26)
  5. Geasgill 34.8% (Apr 26)
  6. Sian Bay 33.2% (May 26)
  7. Winna Ness 32.9% (Jun 26)
  8. Soay 31.1% (Jan 26)
  9. Westerbister 30.7% (Jul 26)
  10. Vee Taing 28.8% (Apr 26)

* Highest Cumulative mortality over production cycle.
Source

Salmon Scotland - Production cycle mortality*

Highest figures for July '26
  1. Vuia Mor 48.2%
  2. Westerbister 30.7%
  3. Invasion Bay 21.7%
  4. Loch Hourn 19.0%
  5. Uyea Isle 12.2%
  6. Chalmers Hope 11.9%
  7. Rum 5.3%

* Highest Cumulative mortality over production cycle from sites reporting in July '26.
Source

Salmon Scotland - Monthly mortality

Highest figures for July '26
  1. Outer Bay 45.5%
  2. Sgian Dubh 17.6%
  3. Tanera 13.9%
  4. Shapinsay 9.1%
  5. Marulaig Bay 8.6%
  6. Ardessie 7.9%
  7. Reibinish 6.7%
  8. Carness Bay 6.7%
  9. Fada 5.5%
  10. Stulaigh South 5.1%

Source

FHI Cumulative Mortality

Freshwater & seawater Source

FHI Cumulative Seawater Mortality

Source

FHI Cumulative Freshwater Mortality

Source

FHI Seawater Mortality

Source

FHI - Worst weekly mortality events 2026 (seawater)

  1. Applecross Fry & Parr 2 (B2 & C2) 102,367 deaths (05/01/26) ▼ Reason given: Stock Incident
  2. Carness Bay 46,579 deaths (02/02/26) ▼ Reason given: Environmental
  3. Applecross Smolt ongrowing 2 34,777 deaths (20/07/26) ▼ Reason given: Transfer/water quality
  4. Sgian Dubh 34,373 deaths (22/06/26) ▼ Reason given: Gill health related; Bacterial Disease
  5. Applecross Smolt Unit 2 33,504 deaths (26/01/26) ▼ Reason given: Environmental (Water Quality)
  6. Sgian Dubh 32,871 deaths (15/06/26) ▼ Reason given: Gill health related; Bacterial Disease
  7. Sgian Dubh 32,132 deaths (29/06/26) ▼ Reason given: Gill health related; Bacterial Disease
  8. Easter Score Holms 30,861 deaths (20/07/26) ▼ Reason given: Smolt & Transfer related
  9. Applecross Smolt Unit 2 27,993 deaths (29/06/26) ▼ Reason given: Fungus; Physical
  10. Ardyne 26,298 deaths (22/06/26) ▼ Reason given: Gill health related; Bacterial Disease

Source

FHI - Worst weekly mortality events 2026

  1. Girlsta Hatchery 330,217 deaths (23/03/26) ▼ Reason given: Environmental; water quality
  2. Inchmore 241,392 deaths (20/07/26) ▼ Reason given: Gas bubble disease
  3. Inchmore 195,744 deaths (13/07/26) ▼ Reason given: Technical issue
  4. Inverkerry Hatchery 149,796 deaths (16/03/26) ▼ Reason given: Deformities
  5. Applecross Fry & Parr 2 (B2 & C2) 102,367 deaths (05/01/26) ▼ Reason given: Stock Incident
  6. Girlsta Hatchery 72,756 deaths (30/03/26) ▼ Reason given: Environmental; water quality
  7. Applecross Smolt Unit 47,732 deaths (04/05/26) ▼ Reason given: Physical damage; Bacterial Disease
  8. Carness Bay 46,579 deaths (02/02/26) ▼ Reason given: Environmental
  9. Applecross Smolt Unit 34,922 deaths (11/05/26) ▼ Reason given: Physical damage; Bacterial Disease
  10. Applecross Smolt ongrowing 2 34,777 deaths (20/07/26) ▼ Reason given: Transfer/water quality

Source

Number of aquaculture sites above CoGP lice threshold

Code of Good Practice suggests between February and Jun the threshold is lowered from an average of 1 to 0.5 adult female L. salmonis per fish during this period.

Source