Those are California rolls. I love California rolls.
They're not raw. On the outside you have a wrapper of nori (seaweed), followed by a layer of sticky rice. Inside you'll find some kind of seafood, usually crab with a veg like cucumber. You dip a piece in soya sauce and pop the whole thing in your mouth. Hmm, now I'm hungry for some.
Prem is a very handsome young man and I need some of what Mac is doing for when I don't sleep. I need to restore my brain power, alien or not.