I have had a pair of Dicrossus filamentosus but never any spawnings. I was never quite set up for them. I was always doing other apistos. When I did have them I kept them in a 10 planted tank with tap water. Every few months I would try to spawn them in soft water, but no luck. I kept them for two years because they were so georgeous! I mainly housed them in the tap water though. I sold them last year at a PCCA meeting auction. Kaycy