Hi! I adopted this big old pictus cat recently. Before he came to me he was kept for years all alone in a 10Gal tank. I bought him a 55Gal which he seems to be very happy about. Then I decided to buy him some companions because I read that they are much happier in a school. But the biggest pictus catfish I could buy were 1.5" long... I got 3 of them, they are in quarantine right now. And the big guy is about 5". Do you think he will eat them if I put them in with him?