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Mini Fissidens
Fissidens splachnobryoides
Plantae›Bryophyta›Bryopsida›Dicranales›Fissidentaceae
📍 Southeast Asia
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.
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Compatible Livestock
Gentle 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
Complementary epiphytic plant with similar care requirements and aesthetic appeal
Common Diseases
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
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Quick Facts
- co2
- required
- lighting
- medium
- placement
- epiphyte
- substrate
- Epiphytic moss; does not require substrate but benefits from attachment to wood, rock, or mesh. Prefers nutrient-rich water column and stable conditions.
- growth rate
- slow
Water it likes
- ph
- 5.5-7.0
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 2-6 dGH
- temperature
- 68–75°F (20–24°C)
Legality
No state or federal restrictions on record for this species.
Not legal advice, and possibly incomplete or out of date. Rules vary by state and locality and change over time — always confirm the current regulations with your state wildlife or agriculture agency before buying, keeping, or shipping this species.