My Company has offices in Lujiazui so I generally stay in Pudong for business trips. Found the aquarium with my wife and child who joined me last year during one of those visits.
I agree with moondog, have to say it was actually much better than expected. I've done Monterrey, Baltimore, Atlanta (which is huge), Boston, NY's which is a tiny one, HK, Sydney and the Great Barrier Reef which is an aquarium itself.
Valencia has a gorgeous one that I've seen pictures from my sister-in-law so that is on my list the next time I make it to Spain.