hey everybody not sure if im posting this in the right section but here it goes ive had aquariums pretty much all my life non over 100 gallons tho and no serious predators ive always wanted them just couldnt but i finally got a big tank its about 150 maybe 160 gallons with all the stuff with it (heater filter lights lids) now i only have one problem.. i have no clue what i wanna have in there theres so many options what do you guys think i have always loved arowanas but just some suggestions of what i could have together would be greatly appreciated thanks!