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Fissidens fontanus
Fissidens fontanus
Fissidens fontanus is an aquarium plant belonging to the Fissidentaceae family, characterized by a medium growth rate and ideal for placement in the foreground.
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4 - 26 °C
5 - 7.5
Freshwater
Medium - High
Low
0 - 20 dGH
0 - 14 dKH
Species description
This fascinating aquatic species has its geographical origin in the warm tropical regions of Asia and South America, where it inhabits clear river systems with weak to moderate current. It is commonly found both submerged and partially emersed along sandy or muddy banks. Additionally, its occurrence is highly associated with shaded banks and shallow water basins. From a taxonomic point of view, it belongs to the Fissidentaceae family and is assigned to the Fissidens genus. Its genetics reflect a high degree of adaptation to seasonal variations in water and chemical parameters of its native waters, assuring its resilience.
Care, breeding and tankmates
The ideal water chemistry includes a slightly acidic or neutral pH (5.0 - 7.5) and a moderate carbonate hardness KH (0.0 - 14.0). The optimal water temperature must be kept stable between 4.0 and 26.0 °C. The main risks are related to the development of parasitic algae on old leaves and tissue necrosis if essential nutrients are lacking. Good filtration and regular water changes prevent most diseases.
Geographic Origin and Distribution
This species originates from: zone tropicali dell'Asia e del Sud America.
Origin
Plant profile
- Placement
- Foreground
- Botanical form
- Epiphyte
- Growth
- Medium
- Substrate
- High
- Column fertilization
- Recommended
- Root fertilization
- None
- Trimming
- Occasional
- Propagation
- Cuttings
- Sensitivity
- Moderate
- Layout role
- Nano, Foreground, group, Epiphyte, Midground
It is a true epiphyte that should be attached to driftwood branches or stones. It looks best in the midground to foreground where its weeping growth habit can be appreciated.
It features exquisite, feather-like fronds that resemble the plumage of a phoenix or miniature palm fronds. The fronds are soft, dark green, and cascade naturally downward.
It exhibits a slow to moderate growth rate once established. It typically requires a period of acclimation before it begins to actively send out new fronds.
Fissidens fontanus, commonly known as Phoenix Moss, is a true epiphyte that naturally attaches itself to hardscape and requires no substrate whatsoever. It produces delicate rhizoids that grip onto wood or porous rocks, allowing it to form lush, fountain-like mounds. Because it draws 100% of its moisture and nutrients from the surrounding water column, a nutrient-rich soil is completely unnecessary for its cultivation. It should never be buried in gravel or soil, as covering its structure will cause the moss to rot and deteriorate.
A mild liquid fertilizer routine works best for this moss. While CO2 injection is not strictly required, it significantly boosts its growth rate and increases frond density.
As an epiphyte, it utilizes rhizoids instead of roots to anchor itself; it draws all its nutrition directly from the water column. Substrate fertilizers are completely ineffective.
When the moss mound becomes too thick, the lower portions may die off from lack of light and water flow. Carefully thin it out using sharp scissors and pull away loose strands.
Propagation is very easy: simply tear or cut small portions of the moss and tie them onto new hardscape surfaces using cotton thread, fishing line, or cyanoacrylate gel.
It is very sensitive to liquid carbon treatments and chemical algaecides. It demands clean, well-oxygenated water to prevent hair algae from intertwining with its delicate fronds.
It is arguably one of the most beautiful mosses for aquascaping. It creates a weeping, deeply textured dark green layer over hardscape, giving a timeless and serene appearance.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
Related species
Recommendations grouped by close relatives, companion choices, and similar care.
Variants and close relatives
Same atlas type, nearby scientific identity, genus, or family.
Recommended companions
Compatible cards from coherent ecosystems with matching parameters.
Similar care
Cards with similar requirements, difficulty, habitat, and husbandry profile.




































