i prefer NOT to use dithers in my breeding tanks.....no sense taking any chances... I do have tanks with other species of fish in with my apistos but i dont use these tanks as a pure breeding set up. Although my apistos breed in these set ups..... John ----------------------------------------------------------------------- -- 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. apisto-digest@listbox.com also available. Web archives at http://lists.thekrib.com/apisto Trading at http://blox.dropship.org/mailman/listinfo/apisto_trader