Intrigued, I checked my cupboard for the brands we have:

* Alva (from Sainsburys) - 75p - Sardina pilchardus - Packed in Morocco, caught in Eastern Atlantic Ocean

* 'The Fishmonger' (from Lidl) - 59p - Sardina pilchardus - Packed in Morocco, caught in Eastern Central Atlantic

* Kingfisher (from Lidl) - 49p - Sardina pilchardus - Packed in Morocco, caught in Central Eastern Atlantic