I've known for a couple of years now that tuna are big but I grew up thinking tuna was a small sardine sized fish. It probably was due to the fact I never see w

I've known for a couple of years now that tuna are big but I grew up thinking tuna was a small sardine sized fish. It probably was due to the fact I never see whole tuna at fish markets (probably too big to sell the entire fish) and it comes canned.