Never had any problems with em' i have used them for conditioning apistos, and raising baby discus. it is improtant not to overfeed them, but personally I think they are a great food Rich ------------------------------------------------------------------------- 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. apisto-digest@listbox.com also available. Web archives at http://lists.thekrib.com/apisto