Is the influence of the pH about sexratio on the fry of this fish the same as to apisto ? The study of Romer , about Apisto, concludes ( if I remember correctly) : " Low pH (5.5 and below) produced more males", and influence of temperature is more significant than pH. An idea about ? Thanks J.Besson ------------------------------------------------------------------------- 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"!