I have to talk to you,I don't know so much about arowana fish but I can telling you alittlebit first thing you have to learn more about,How to breeding and What type your fish it gonna do like that because some time can do or some time cannot if you wanna breding in the tank you have to checking all the time if you have because they are gonna fighting some time or all time.if I told some thing wrong I'm so sorry from now...I wish I gonna hear you can do that man...