In this case, size refers to the size of tuna pieces in each can. For instance, "solid" indicates that there are bigger, firmer pieces of fish. The label "chunk" means that the pieces of tuna are ...

But you can buy a can of tuna fish at the grocery store for under $2. So, what's the difference? For starters, it's not the same fish. Canned tuna typically comes from albacore. They're small ...