Mine hid a lot when I first got them. It took them a few days of hiding to finally come out and start exploring. What kind of tank mates do they have, and what kind of decorations? Mine love caves and in particular, my one eyed baby loves a hollow tree stump which she shares with a channel cat and a black ghost knife. Give it some time, be patient and they will come around. Its good you got a couple so they have each other. The older they get, the more like puppies they become. I have one huge male that dances up and down the glass with the shoal of loaches. Kinda odd, but funny to watch.