Singapore and Czechoslovakia. Aren't both known to use hormones? Couldn't be that systematic use of hormones may have an effect on parental care?. Julio ------------------------------------------------------------------------- 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"!