....Randy and all, that would leave open the possibility of either a LONG hatch period or a temperature hatch.......or both.........man, they are really resistant little critters........I've got to do sme investigation.......you guys have piqued my interest now!! Mike > The link http://www.howe.k12.ok.us/~jimaskew/zophyla1.htm says that in > Oklahoma they lay cysts in the fall and these hatch in the > spring. Apparently from spring to fall the hydra reproduce the way we > observe them spreading in our tanks. > > --R > ------------------------------------------------------------------------- > 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 ------------------------------------------------------------------------- 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