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Mini Fissidens
Fissidens splachnobryoides
Also known as Mini Fissidens Moss, Splachnobryoides Moss
Plantae›Bryophyta›Bryopsida›Dicranales›Fissidentaceae
Mini Fissidens is a delicate, slow-growing moss with tiny, feathery fronds that create an intricate, lacy appearance. It features small, finely divided leaves arranged in a distinctive two-ranked pattern, giving it a refined aesthetic ideal for detailed aquascaping. This moss is prized for its ability to attach to hardscape and create natural-looking moss walls or carpets in foreground and midground areas.
Where it's from
Native to Brazil and Colombia
At a glance
- CO₂
- required
- Growth
- Slow
- Placement
- epiphyte
- Temp
- 68–75°F
- 20–24°C
- pH
- 5.5-7.0
- GH
- 36–107 ppm
- 2–6 dGH
Ammonia 0 ppm and nitrate under 20 ppm.
Compatible livestock
See all 6Gentle algae grazers that do not damage delicate moss fronds
Small, peaceful shrimp that help control algae without harming moss
Peaceful algae eater that grazes without uprooting or damaging moss
Small, non-destructive fish that thrive in soft, acidic water preferred by this moss
Tiny, peaceful fish that do not disturb moss and prefer similar water parameters
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Common diseases 4Melt / Tissue Degradation, Algae Overgrowth, Nutrient Deficiency (Iron / Micronutrients), Rhizoid Rot / Attachment Failure
Melt / Tissue Degradation
Fronds become translucent, mushy, or dissolve; browning and loss of structure
Ensure stable water parameters (pH 5.5-7.0, soft water), increase CO2 injection, improve water circulation, and perform gradual acclimation if recently introduced
Algae Overgrowth
Green, brown, or black algae coating moss fronds; reduced light penetration and moss visibility
Reduce lighting duration to 6-8 hours daily, increase water circulation, add algae-eating shrimp (Amano or Red Cherry), and maintain nutrient balance to prevent excess phosphate
Nutrient Deficiency (Iron / Micronutrients)
Yellowing or pale fronds, stunted growth, loss of vibrant coloration
Dose liquid fertilizer containing iron and trace elements 2-3 times weekly; ensure CO2 supplementation and adequate lighting
Rhizoid Rot / Attachment Failure
Moss detaches from hardscape, darkening at attachment points, poor growth despite good conditions
Ensure substrate (wood/rock) is clean and free of biofilm; improve water flow around moss; verify CO2 and nutrient levels are adequate; consider re-attaching with fishing line or moss glue
Legality
No state or federal restrictions on record.
Not legal advice, and possibly incomplete or out of date. Rules vary by state and change over time; check with your state wildlife or agriculture agency before buying, keeping or shipping it.
The care information here is written with AI help, so it can contain mistakes. Spot one? Tell us and we'll fix it. Native range: Flora e Funga do Brasil (CC BY 4.0); Catálogo de Plantas y Líquenes de Colombia (CC BY 4.0).
At a glance
- CO₂
- required
- Growth
- Slow
- Placement
- epiphyte
- Temp
- 68–75°F20–24°C
- pH
- 5.5-7.0
- GH
- 36–107 ppm2–6 dGH
Ammonia 0 ppm and nitrate under 20 ppm.
Keepers’ experiences
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