Fish farms, which mainly raise salmon and rainbow trout, tend to be located in deepwater fjords along the country's coast.
The industry is Norway's second-largest export industry after oil and gas production, with sales of 63.7 billion crowns （$8.0 billion） in 2016, according to Statistics Norway.
“The government will … study and possibly recommend a tax on the use of natural resources to be introduced in 2020,” the finance ministry said in a statement late on Friday. “Such a tax is under consideration without a detailed plan yet ready.”
Leading Norwegian producers include Marine Harvest, Salmar, Leroy Seafood, Grieg Seafood and Norway Royal Salmon.
