Steph wrote: >I have read some where on the www (and cont remember the link now) That >sex was determined in the first 3 days. and the pH affected males, and >temperature females (or vice versa) > >Try the links from CHOP - there are a couple of more scientific ones >they raised heaps of fry and fiddled with the conditions. > >Hope this helps > >Steph Uwe Romer's research shows that the sex determination in apistos is determined much later. I think I read an article on apistos that was written by a Mr. Yamamoto, of Hawaii, who also agreed with this. I don't recall the critical time frame,(I've got the research data stored at some inconvenient place), but it was like in months instead of days. ______________________________________________________