Has anyone then divided a single batch of eggs(killifish please) and raised them at 2 different temperatures? That might be an interesting science project... Join the AKA at http://www.aka.org/aka/modules/content/index.php?id=9. Archives are at http://fins.actwin.com/killietalk/ Modify your subscription at http://www.actwin.com/mailman/listinfo.cgi/killietalk