Klaus, In a tank this size I would agree with Ken in fact a few years ago my F1.Borellii bred to a band palying in a 12inx12inx12in tank. Two males and 10 females if my memory serves me right. Shock, horror I hear from the rest of the list members. Helen >Well, I'm not in the US either, in Belgium, pretty close to >you actually. The tank is 90x30x30cm; 35x12x12" Klaus> >If it is 36" long then I'd say you could easily keep 2 or >>even three females. Ken< ------------------------------------------------------------------------- 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"!