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Asian Water Fern
Bolbitis heteroclita
Plantae›Tracheophyta›Polypodiopsida›Polypodiales›Dryopteridaceae
📍 Southeast Asia
Asian relative of the African Water Fern. Smaller with more compact, lobed fronds. Grows attached to hardscape in flowing water.
Tank Mates
Peaceful algae grazers that won't damage delicate fronds and help maintain plant health
Excellent algae control without harming the fern; thrive in similar water conditions
Small, peaceful invertebrates that won't disturb the plant and benefit from its shelter
Excellent companion plant with similar low-light requirements and slow growth rate
Small, gentle fish that won't uproot or damage the fern in flowing water conditions
Compatible low-light plant that creates a natural, layered aquascape with the fern
Common Diseases
Rhizome Rot
Blackening or softening of the rhizoid attachment point, fronds yellowing and dying back from the base
Improve water circulation and reduce organic buildup; ensure the rhizome is not buried in substrate; perform partial water changes and consider adding an air stone for better oxygenation
Nutrient Deficiency
Yellowing fronds, stunted growth, pale or translucent new leaves, loss of the lobed frond structure
Dose with comprehensive liquid fertilizer containing macronutrients and micronutrients; increase water change frequency; consider adding root tabs if using nutrient-poor substrate
Algae Overgrowth
Green or brown algae coating fronds, reduced light penetration, fronds becoming obscured
Reduce lighting duration to 6-8 hours daily; increase water flow around the plant; introduce algae-eating fish or shrimp; manually remove algae with a soft brush
Melting
Fronds becoming translucent, dissolving, or turning to mush despite healthy appearance initially
Ensure stable water parameters (pH 6.0-7.5, GH 4-8); acclimate slowly to new tank conditions; maintain consistent temperature; improve water circulation and oxygenation
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Quick Facts
- co2
- recommended
- lighting
- low-medium
- placement
- attached to hardscape
- difficulty
- medium
- growthRate
- slow