Dramatic no, vocal yes but so are females, they do have that hissy temper tentrum type moment when you feed them they will hiss and trash around making it harder to feed them (I often live the prey in with males vs feeding of the tong with the females)
20 gallons
Nope I kept a single female for several years before deciding I would breed hognose and she stay at the same temp year round and ate year round, only when you breed do you have to do it.