A £3 billion fish farming multinational in Scotland has been officially reprimanded for animal welfare failures after more than 700,000 caged salmon died over three months.
The Scottish Government defied concerted pleas by salmon farming multinationals to keep photos of diseased and damaged fish secret, according to internal emails.
An environmental campaigner has accused Police Scotland of acting as "private security" for a Norwegian-owned fish farming company.
Nearly 200 fish farms are allowed to use a carcinogenic chemical called formaldehyde which is used to embalm corpses.
Scottish Government inspectors have launched an investigation into video evidence of alleged animal cruelty at a salmon farm on the north west coast.
The multinational salmon farming industry has been pushing behind the scenes for environmental limits on a toxic pesticide to be 100 times weaker than government regulators recommend.
At least nine million fish have been killed by diseases, botched treatments, poor handling and other problems at salmon farms around Scotland since 2016.
A leading Scottish salmon farming company has stopped branding its business as “sustainable”, according to the UK advertising watchdog.
The £2 billion salmon farming industry marketed around the world as Scottish is virtually all owned by investors in Norway, Switzerland, Cyprus, Canada and other countries.