I've got three female HET for albino sliders that are breeding size this year and I recently picked up a 5 year old male to add to the group. I've had the male quarantined for a couple weeks and he seems good to go. However when I tried putting him in with the females he immediately started violently attacking and biting one of the females. Not like a little breeding type nip, like a I'm trying to kill you bite. I separated him again. Does anyone have any tips on how I can put them together to breed without him seriously hurting one of my females? Or are there some turtles just to nasty to be around others?