Flame moss
Taxiphyllum sp.
easy careOverview
Flame moss (Taxiphyllum sp.) is one of the most distinctive aquarium mosses. Unlike java moss and most others that sprawl flat, flame moss grows upward in twisting, flame-like tufts, giving a scape real texture and movement. It is a hardy, low-light plant that attaches to hardscape rather than rooting in substrate, and it is slow and forgiving — a great way to add mature, natural detail to driftwood and rock. Like all mosses it is a magnet for shrimp and a shelter for fry.
Planting & placement
Flame moss is tied or glued to hardscape, never planted in the substrate. Spread a thin layer over a piece of driftwood or rock and secure it with cotton thread, fishing line or a little super-glue gel — a thin layer establishes faster than a thick clump, which tends to rot underneath. Over a few weeks it grips the surface with tiny rhizoids and the thread can come off. It looks best on vertical wood where the upward tufts can rise. See how to plant aquarium plants for the tying method and aquascaping for beginners for using moss on hardscape.
Light, CO2 & ferts
Flame moss prefers low to medium light; under strong light it browns and attracts algae, which is hard to remove from moss. It needs no CO2, though CO2 and good flow encourage the tightest, most upright flame form. A modest water-column fertilizer is plenty, since moss feeds from the water. Gentle, steady flow through the clump keeps it clean and well fed.
Propagation & problems
Propagation is as easy as it gets: cut the moss, tie the pieces to new hardscape, and each piece grows on. There is no such thing as wasted moss. The common problems are browning and algae from too much light, and rot in the centre of clumps that are too dense or clogged with debris — trim it, keep flow moving through it, and rinse out trapped detritus at water changes. Because algae on moss is nearly impossible to clean off, prevention matters — see how to get rid of aquarium algae. Kept modestly lit and tidy, flame moss is a slow, beautiful, near-indestructible plant.
Flame moss — frequently asked questions
How do I attach flame moss to wood or rock?
Tie it on with cotton thread or fishing line, or use a dab of cyanoacrylate gel, spreading a thin layer over the hardscape. Within a few weeks it grips on its own with tiny rhizoids and you can remove the thread if you used it.
Does flame moss need CO2?
No. Flame moss is a hardy low-tech plant that grows without injected CO2 under low to medium light. CO2 makes it denser, greener and encourages the upright flame shape, but it is not required to keep it alive and healthy.
Why is my flame moss turning brown or growing algae?
Brown patches usually mean too much light, poor flow, or trapped debris rotting inside the clump. Give it gentle flow, keep light modest, and trim the moss so water and light reach the middle. Rinse out trapped detritus during water changes.
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