Ken, Go get a 75 gallon tank and put a concrete divider down the middle. That'll keep her from killing him. Oh...and park a car on the top so he can't jump out. Seriously, they won't last a week together in a 20 long. I got about 3 weeks out of 2 different pairs at 2 different times in a 65g. My experience may not, of course, be typical. Kevin Korotev Milwaukee, WI ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com.