please help identify what my catfish is.........

[muffywrx]

almost looks like a crystal cat

 

[peewee]

colombian shark cat.

 

[MartinS]

These are difficult to identify until fully grown, but as you have already determined it's a Chrysichthys. Looking at images, it could be Chrysichthys furcatus or Chrysichthys graueri.
HTH
Martin

 

[nwcichlids]

chrysichthys imo!