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.
Scotland's fish farming industry must bow to tougher environmental regulation if wants to expand, a committee of MSPs has concluded.
The fish farm caught on film with lice-infested salmon has been reprimanded by the Scottish Government - but the move has been damned as “truly pathetic” by critics.
Scarred, frayed and lice-infested salmon caught on film at a fish farm off the island of Lewis have prompted animal cruelty investigations.
Two fish farming companies tried to block publication of graphic images of their damaged salmon, according to emails released by the Scottish Government.
The Scottish Environment Protection Agency has been repeatedly wined and dined by the fish farming, whisky and power industries.
The Scottish Government put pressure on its environmental watchdog to drop a plan to ban a toxic pesticide so as not to upset the fish farming industry.