well i am going to go through with my plans for the 2.5gallon ive got the hand on back filter for vlow and a new heater for it. couldnt resist for 6 bucks! im gonna get some base rock and let my mantis tank seed it. i want it to be an invert tank. what would you guys suggest for some cool inverts? could i keep a cleaner shrimp? sexy shrimp? what would you guys suggest for the 2.5 gallon?