nope, not at all.
No offense, but if you have to ask that, you should do A LOT more research about the EBJD & festae species in their own right.
There is tons of info on here and all over the internet.
+1!!!!! definitely 100% NOOOOOOOO with other fish of varying aggression levels their may be a chance depending on the individuals but with these there is absolutely no possibility of two adults living together (not even juveniles for that matter)