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. Soay 31.1% (Jan 26)
  3. Macleans Nose 23.6% (Mar 26)
  4. Seaforth 23.6% (Mar 26)
  5. Meil Bay 22.7% (Jan 26)
  6. West Strome 20.0% (Jan 26)
  7. Sound of Harris 19.4% (Feb 26)
  8. Maol Ban 16.0% (Jan 26)
  9. Sconser Quarry 15.5% (Jan 26)
  10. Cairidh 14.8% (Jan 26)

* Highest Cumulative mortality over production cycle.
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Salmon Scotland - Production cycle mortality*

Highest figures for March '26
  1. Macleans Nose 23.6%
  2. Seaforth 23.6%
  3. Trilleachan Mor 13.3%
  4. Lamlash 13.0%
  5. Kishorn C (West) 9.3%
  6. Kishorn B (North) 8.8%

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

Highest figures for March '26
  1. Vee Taing 8.0%
  2. Fiunary 6.4%
  3. Burkwell 6.3%
  4. Sian Bay 4.8%
  5. Ardessie B 4.5%
  6. Scallastle 4.3%
  7. Winna Ness 4.1%
  8. Hunda 4.0%
  9. Swining 3 3.8%
  10. Olna South 3.3%

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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. Carness Bay 16,197 deaths (09/02/26) ▼ Reason given: Environmental
  5. Applecross Smolt Unit 2 16,119 deaths (19/01/26) ▼ Reason given: Environmental (Water Quality)
  6. Carness Bay 15,543 deaths (16/02/26) ▼ Reason given: Environmental
  7. Carness Bay 13,690 deaths (26/01/26) ▼ Reason given: Environmental
  8. Seaforth 11,950 deaths (05/01/26) ▼ Reason given: CMS, HSMI, Treatments
  9. Hunda 10,035 deaths (23/02/26) ▼ Reason given: Bacterial disease
  10. Caolas A Deas 9,589 deaths (12/01/26) ▼ Reason given: CMS / Treatment Loss (FW in wellboat)

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FHI - Worst weekly mortality events 2026

  1. Girlsta Hatchery 318,278 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 71,376 deaths (30/03/26) ▼ Reason given: Environmental; water quality
  5. Carness Bay 46,579 deaths (02/02/26) ▼ Reason given: Environmental
  6. Applecross Smolt Unit 2 34,054 deaths (02/02/26) ▼ Reason given: Environmental (Water Quality)
  7. Applecross Smolt Unit 2 33,504 deaths (26/01/26) ▼ Reason given: Environmental (Water Quality)
  8. Applecross Smolt Unit 21,207 deaths (09/02/26) ▼ Reason given: Fungus; stock incident
  9. Couldoran Hatchery 20,423 deaths (16/02/26) ▼ Reason given: Fungus
  10. Applecross Smolt Ongrowing 1 17,844 deaths (02/03/26) ▼ Reason given: Stock Incident

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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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