[Telepathic Intruder]

Mackerel tastes and looks similar, contains a lot of omega-3 and potassium, and is cheaper. I usually have a few cans of it on hand.

[Songcraft]

"Mackerel tastes and looks similar, contains a lot of omega-3 and potassium, and is cheaper. I usually have a few cans of it on hand."

King Oscar brand sells both sardines and (holy) mackerel in olive oil, and I get both of them quite often.   (For some reason, their mackerel is skinless and boneless.)