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. Meil Bay 22.7% (Jan 26)
  4. West Strome 20.0% (Jan 26)
  5. Sound of Harris 19.4% (Feb 26)
  6. Maol Ban 16.0% (Jan 26)
  7. Sconser Quarry 15.5% (Jan 26)
  8. Cairidh 14.8% (Jan 26)
  9. Gravir Outer 13.5% (Feb 26)
  10. Oldany 11.0% (Jan 26)

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

Highest figures for February '26
  1. Sound of Harris 19.4%
  2. Gravir Outer 13.5%

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

Highest figures for February '26
  1. Carness Bay 16.4%
  2. Hunda 5.1%
  3. Ardessie B 4.3%
  4. Kyles Vuia 3.9%
  5. Fiunary 3.5%
  6. Druimyeon Bay 3.2%
  7. Sian Bay 3.2%
  8. Swining 3 3.2%
  9. Setterness South 3.0%
  10. Burkwell 2.9%

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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. Applecross Smolt Unit 2 33,504 deaths (26/01/26) ▼ Reason given: Environmental (Water Quality)
  3. Applecross Smolt Unit 2 16,119 deaths (19/01/26) ▼ Reason given: Environmental (Water Quality)
  4. Carness Bay 13,690 deaths (26/01/26) ▼ Reason given: Environmental
  5. Seaforth 11,950 deaths (05/01/26) ▼ Reason given: CMS, HSMI, Treatments
  6. Caolas A Deas 9,589 deaths (12/01/26) ▼ Reason given: CMS / Treatment Loss (FW in wellboat)
  7. Seaforth 7,984 deaths (26/01/26) ▼ Reason given: Treatment Loss (FW in wellboat)/CMS
  8. Caolas A Deas 7,351 deaths (05/01/26) ▼ Reason given: Bacteria / HSMI
  9. Scallastle 5,279 deaths (05/01/26) ▼ Reason given: Bacterial disease; Gill Health Related
  10. Trilleachan Mor 5,031 deaths (19/01/26) ▼ Reason given: Treatment Loss (FW in wellboat) / CMS

Source

FHI - Worst weekly mortality events 2026

  1. Applecross Fry & Parr 2 (B2 & C2) 102,367 deaths (05/01/26) ▼ Reason given: Stock Incident
  2. Applecross Smolt Unit 2 33,504 deaths (26/01/26) ▼ Reason given: Environmental (Water Quality)
  3. Applecross Smolt Unit 2 16,119 deaths (19/01/26) ▼ Reason given: Environmental (Water Quality)
  4. Carness Bay 13,690 deaths (26/01/26) ▼ Reason given: Environmental
  5. Seaforth 11,950 deaths (05/01/26) ▼ Reason given: CMS, HSMI, Treatments
  6. Caolas A Deas 9,589 deaths (12/01/26) ▼ Reason given: CMS / Treatment Loss (FW in wellboat)
  7. Seaforth 7,984 deaths (26/01/26) ▼ Reason given: Treatment Loss (FW in wellboat)/CMS
  8. Caolas A Deas 7,351 deaths (05/01/26) ▼ Reason given: Bacteria / HSMI
  9. Scallastle 5,279 deaths (05/01/26) ▼ Reason given: Bacterial disease; Gill Health Related
  10. Trilleachan Mor 5,031 deaths (19/01/26) ▼ Reason given: Treatment Loss (FW in wellboat) / CMS

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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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