Steph, I knew I would probably be wrong, Ted Judy article proves this. At least I was right on the sneaker male part. Thanks, Helen From: Steph & Dave <caligula@tig.com.au> >There is an article at http://www2.cichlidae.com/cichlidroom/ that >details the sex change of a dominant female D. filamentosa to male when >the only male in the tank removed itself. >Steph > >Helen Burns wrote: >> As far as I am aware there is only one cichlid species which will change sex >> and that is Crenicara punctulata, ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@majordomo.pobox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@majordomo.pobox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!