The article said :
"This fish tank is in the foyer of a Beijing hotel, and it looks amazing. Apparently the fish only live for 6 days and it has to be regularly ‘refreshed’."
I think those are parrot fish, but it's hard to tell.
That is a great way to get rid of those hybrid abominations! Man, the Chinese are brilliant! Now if only they could incorporate all the "jelly bean" colors of Parrots!