ive recently aquired a 48 inch tank and stocked it with sea rock.ive got 3 labeotropheus fuelloborni approx 2 and aquarter inch .2lab trewavasae 2inch 2caeruleus 1inch and 1 carealeus 2inch 2 socolofi 2inch 2moorii 1 inch( 1 is now dead) 1 blue acara 3 inch 2 rainbows 3 inch 3 tropheus duboisi half inch and a unknown catfish type it only appears at night.can anyone give me any advice on what is likely tio occur and what preparations i need to make to help them all survive if possible?