Originally posted by Chypriss
I was thinking about trading in the yellow tang and get a small naso tang or blue hippo tang. Once they get to big then trade them in for another fish.
Ah, but this is the tricky part. Often people don't want to trade a fish they have kept back to the store...especially if they have grown with them. And then there is the tricky part of "when are they too big?" IMO, tangs like naso, vlamingi, unicorn are too big for that size tank from the start...regardless of other fish in there. IMO, you are better off with fish that will fit that tank size. But you are doing the right thing in researching!