Seems like a lot to me. I have almost 300l tank. I have 1-paradise, 2 powder blue guarmie 4 albino Cory, 4 Otto, 1-Angel, 1 black ghost knife, yellow cichlid, and a pleco. I go through 4 frozen blood worms a day. And most of mine are still young so it's going to evolve to feeders soon with the...