Hello new to the fish world. I have 2 tanks one a 36 gal bowfront and a ten gal. Not cycled but working on it. 36 gal has 2 pictus catfish 3 cory aureus and 2 neon dwarf fancy guaramis. 10 gal has a fiddler crab. Have my api freshwater tester coming this week. Will need help with what to do. Gonna get rid of catfish cuz found out they need bigger tank. And getting rid of one guarami. Gonna add 5 more corys. Want color in tank and need help figuring on what to add.