Bill, I am not sure but I would think they would have to have aeration when still alive. I have on occasions fed unexpected fry frozen BBS and they do eat it. Little and often will save undue pollution. Helen >What about plain refridgeration? If I harvested some BBS the night before and put them in the fridge to slow down their metabulism, would they still be viable say 10-12 hours later? > >Freezing might help > >Bill Vannerson ------------------------------------------------------------------------- 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"!