The 'personality' of the individual fish will make a world of differnece...
Is the Midas a male or female? how old/big is it?
Are the Dempseys male or female? How big/old are they?
What is the tank decorated like?
There are dozens of other questions that could be asked that will influence the outcome... but even with all the information in the world the ltimate answer will still be... it depends on the personality of the individual fish...
ok the midas is small 3 inches mayyyyybe 4 ...the jds are also about the same size the decor is alot of river jack stone for now big ones tho like a small footbal and smaller a bunch of plastic corkscrew plants and a texas hole rock about the size of a basket ball maybe alil bigger ...i really want to get this midas but i dont want it to b the only fish in the tank like my dovii