I have had the same behavior but with much more successful results. In my opinion it is definitely pair specific. Some are really good and some are not so good. Sooner or later you will get a good pair and they will deluge your tanks with fry. Tim ------------------------------------------------------------------------- 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.