I’ve now polished off 3 of those marinated anchovy cartons

[Ganpati's Goonerz--AFC's Aboriginal Fertility Cult]

Sainsbury’s. The marinade seems to be a type of lemony vinegarette. Not completely sure but similar to the mix they use for cockles but oily .

Oooh. Are they in the little plastic tuns on the shelves near the rollmops and pickled herrings, or in the deli counter?

I might have to have a try.