Lilia, I recently assumed that a batch of N. transvestitus fry failed to become free-swimming when my temperature dropped and stayed below 78 degrees for a few days. It never happened again after I leveled the temperature out at 80-82. I am moved to also suggest that your water conditions may be TOO soft and acid. Good luck, Kevin Korotev ------------------------------------------------------------------------- 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"!