[EvilLost]

I'm not sure what a "green sip" is but the general rule is:

If you have to ask, then you shouldn't do it.




That is not necessarily to say they can't be housed together, but it takes an extremely advanced keeper with indepth knowledge of the individual species.

Do a search there are a TON of threads on mixing species and in particular there is one very large one that goes into very good detail about factors to consider (space usage, cross contamination, stress induction, breeding locations, etc, etc, etc)

 

[EvilLost]

both of them being males does not solve the problem of aggression in fact it probably adds to it as well as stress/dominance