They are 2 beauties I take it theres been a bit of lip locking going on by the looks of their mouths. What type are they. We have 2 Atabapo but yours look quite a bit darker than ours.
Was looking on a website a while back and there are several different locations that the severus come from and each region looks slightly different. Mine are below.
Bars up means they are stressed, the bars are up on the rotkeil too in the pic thats one is stressed too. New fish, new tank they should settle in a few days.