I am looking for tankmates for Red tail Giant Gourami's. My new guys are almost 5" long. I wanted to add a cat fish or two while they all grow up. I have read the Pimelodus ornatus grow to 12" and work best if you have 2 or 3 of them. Any thoughts about growing them up with two RTGG's ? I know there is a chance the RTGG's will decide to kick them (kill em) out as they get older, but if we generalize, what might live well with the RTGG's ?