Jonathon, The instructions on my O.S.I. can say the "optimum hatching temperature" is 82f degrees. Kevin Korotev Milwaukee, WI USA ------------------------------------------------------------------------- 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. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!