Waitrose is set to remove mackerel from its shelves amid escalating concerns over unsustainable fishing practices.
The retailer said that it is the first major UK supermarket to suspend sourcing of the popular fish.
It said that fresh, chilled, and frozen mackerel, primarily sourced from Scottish waters, will be unavailable to shoppers by 29 April. Tinned varieties will follow once the current stock is depleted.


This is about sustainability, presumably farming salmon is sustainable.
Salmon farms have an appalling impact on the sustainability of wild salmon, so no
https://theweek.com/culture-life/food-drink/the-dark-side-of-salmon-farming
Oh, thanks for linking that