Not to replow well-tilled ground, but a delicious meal last night at New Green Bo, and a look at some earlier posts, leave me with a few things to say.
(1) I endorse everything the Alpha Dog has said earlier about New Green Bo--superb food (especially, last night, the Shanghai cabbage and mushrooms)and sweet, gracious staff. (I'll let you know in a month or so if the owner's assured prediction of the sex of my soon-to-be-baby based on belly size and shape was accurate.)
(2) Yellowfish is, I think, a saltwater bottom-fish called a yellow croaker. It was heavily overfished for some time, but Chinese breeding programs and aquaculture have, it seems, rebuilt stocks at least somewhat. It's often dried, which explains its appearance in the cuisine's of inland Chinese regions.
(3) Pass the crab-filled soup dumplings, please.