Data Dashboard

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

Salmon Scotland - Average mortality rate

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Salmon Scotland - Most deadly sites in 2026*

  1. Bagh Dail Nan Cean 35.1% (Jan 26)
  2. Gometra 35.1% (Apr 26)
  3. Geasgill 34.8% (Apr 26)
  4. Sian Bay 33.2% (May 26)
  5. Soay 31.1% (Jan 26)
  6. Vee Taing 28.8% (Apr 26)
  7. Olna South 25.8% (May 26)
  8. Calbha Bay 24.6% (Apr 26)
  9. Kyles Vuia 24.5% (May 26)
  10. Coledeep 23.7% (Apr 26)

* Highest Cumulative mortality over production cycle.
Source

Salmon Scotland - Production cycle mortality*

Highest figures for May '26
  1. Sian Bay 33.2%
  2. Olna South 25.8%
  3. Kyles Vuia 24.5%
  4. East Tarbert Bay 22.4%
  5. Ardintoul 20.5%
  6. Bring head 7.7%

* Highest Cumulative mortality over production cycle from sites reporting in May '26.
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Salmon Scotland - Monthly mortality

Highest figures for May '26
  1. Sgian Dubh 14.0%
  2. Ardessie 6.8%
  3. Outer Bay 6.5%
  4. Sian Bay 4.4%
  5. Winna Ness 4.3%
  6. Loch Hourn 4.0%
  7. Fiunary 4.0%
  8. Loch Alsh 3.8%
  9. Foraness 3.7%
  10. Caolas a Deas 3.4%

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FHI Cumulative Mortality

Freshwater & seawater Source

FHI Cumulative Seawater Mortality

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FHI Cumulative Freshwater Mortality

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FHI Seawater Mortality

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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 Unit 2 33,504 deaths (26/01/26) ▼ Reason given: Environmental (Water Quality)
  4. Sgian Dubh 23,330 deaths (11/05/26) ▼ Reason given: Bacterial disease; Gill health related; Handling (post- FW treatment)
  5. Sgian Dubh 22,951 deaths (04/05/26) ▼ Reason given: Bacterial disease; Gill health related; Handling (post- FW treatment)
  6. Sgian Dubh 20,374 deaths (25/05/26) ▼ Reason given: Bacterial disease; Gill health related
  7. Sgian Dubh 19,277 deaths (13/04/26) ▼ Reason given: Bacterial disease; Gill health related
  8. Sgian Dubh 18,361 deaths (18/05/26) ▼ Reason given: Bacterial disease; Gill health related
  9. Sgian Dubh 16,922 deaths (27/04/26) ▼ Reason given: Bacterial disease; Gill health related
  10. Sgian Dubh 16,809 deaths (20/04/26) ▼ Reason given: Bacterial disease; Gill health related

Source

FHI - Worst weekly mortality events 2026

  1. Girlsta Hatchery 330,217 deaths (23/03/26) ▼ Reason given: Environmental; water quality
  2. Inverkerry Hatchery 149,796 deaths (16/03/26) ▼ Reason given: Deformities
  3. Applecross Fry & Parr 2 (B2 & C2) 102,367 deaths (05/01/26) ▼ Reason given: Stock Incident
  4. Girlsta Hatchery 72,756 deaths (30/03/26) ▼ Reason given: Environmental; water quality
  5. Applecross Smolt Unit 47,732 deaths (04/05/26) ▼ Reason given: Physical damage; Bacterial Disease
  6. Carness Bay 46,579 deaths (02/02/26) ▼ Reason given: Environmental
  7. Applecross Smolt Unit 34,922 deaths (11/05/26) ▼ Reason given: Physical damage; Bacterial Disease
  8. Applecross Smolt Unit 2 34,054 deaths (02/02/26) ▼ Reason given: Environmental (Water Quality)
  9. Applecross Smolt Unit 2 33,504 deaths (26/01/26) ▼ Reason given: Environmental (Water Quality)
  10. Applecross Smolt Unit 31,157 deaths (18/05/26) ▼ Reason given: Physical damage; Bacterial Disease

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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.

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