I'm planning to add more hissers from a different source to my current colony to improve the genetic diversity. Can I add them directly to the tank? Or do I need to keep them separate first and get them used to the smell of each other? I mean, will they attack other roaches they don't know?
I've had a small colony of Madagascar hissers for four years. There isn't much genetic diversity but otherwise they seem very healthy.
A few months ago, all but one of the males suddenly died within a day. Their eyes turned white, and several also had white growths on their legs. The growths...