Römer writes that 26ºC (79ºF) he got a closer 50/50 ratio. At 23ºC (73.5ºF) produced around 80% females. See table 6 (p.147) in Römer's Atlas. At 75ºF (24º) will probably get you trios (1 male/2 females). That's not really a bad way to go. Mike Wise John Wubbolt wrote: > Jon > > The best temperature to get as even a sex ratio as possible is about > 75F. This gives me the best male/female even mix. > > 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 ------------------------------------------------------------------------- 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