-----Original Message----- From: IDMiamiBob@aol.com > and I've never seen a plant attach itself to a sponge filter >Bob I have. Indian Fern will attach their roots to a sponge filter. Used as a "floating" plant to cover the surface area the roots do in fact attach themselves onto sponge. Helen ------------------------------------------------------------------------- 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"!