Love shrimp!
I like crab, not crazy about lobster. Scallops are good; but I think Shrimp is my favorite.
(I don’t have a lot of experience with oysters, except in chowder. My father used to like oysters raw, with hot sauce and a cold beer.)
Oh, I forgot - snail. That’s not a ‘shellfish’, but it gives me the opportunity to post one of my favorite movie scenes:
https://www.youtube.com/watch?v=DQ6ZZubYPIk