No, it won't work out in the long run, and typically I don't recommend that people purchase fish that they know won't work out, without knowing what sized tank (volume and dimensions) they plan on using long-term, and when they plan on getting it.
Could you please also clarify, that when you say Red-Tailed Cat are you referring to Phractocephalus hemioliopterus, that grows to over 36" and 200lbs?
Could you please also clarify, that when you say Red-Tailed Cat are you referring to Phractocephalus hemioliopterus, that grows to over 36" and 200lbs?