Windelov Java Fern

Microsorum pteropus Windelov

📍 Southeast Asia

Windelov Java Fern is a delicate, feathery variant of the classic Java Fern with distinctive finely-divided, lacy fronds that create an elegant, almost fern-like appearance. This slow-growing epiphyte is highly valued for its ornamental appeal and ease of care, making it ideal for aquascapers seeking a refined planted look without demanding conditions.

Tank Mates

Amano Shrimp

Peaceful algae eater that will not damage delicate fronds; benefits from Java Fern shelter

excellent

Neon Tetra

Small, non-destructive community fish; provides visual contrast with fine foliage

excellent

Otocinclus

Gentle algae grazer that respects plants and creates a natural biotope aesthetic

excellent

Dwarf Gourami

Peaceful mid-water swimmer; may occasionally nibble but generally plant-safe

good

Anubias Nana

Complementary epiphyte plant; similar care requirements and visual appeal when grouped

excellent

Common Diseases

Rhizome Rot

Symptoms

Soft, blackened rhizome; fronds detach easily; mushy texture at attachment point

Treatment

Ensure rhizome is not buried in substrate; improve water circulation; remove affected portions with sterile scissors; check for excess organic debris accumulation

Leaf Melt / Transition Melt

Symptoms

Fronds become translucent, mushy, or dissolve; occurs after planting or major water parameter changes

Treatment

Maintain stable water conditions (pH, temperature, hardness); reduce light intensity temporarily; ensure good water flow; old leaves will regrow; be patient—melt is usually temporary

Black Beard Algae (BBA) on Fronds

Symptoms

Dark red-to-black fuzzy or brush-like growth on leaf surfaces; fronds appear dirty or spotted

Treatment

Increase water circulation and reduce photoperiod; manually remove affected fronds; dose with liquid carbon or hydrogen peroxide spot treatment; maintain nitrate <20 ppm and phosphate balance

Iron Deficiency / Micronutrient Deficiency

Symptoms

New fronds appear pale or yellowish; older fronds remain green; stunted growth

Treatment

Dose with all-in-one liquid fertilizer or iron supplement 1–2× weekly; ensure adequate lighting for nutrient uptake; test water for existing nutrient levels

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Quick Facts

co2: not required
lighting: low
placement: epiphyte
substrate: Epiphyte—attach rhizome to driftwood or rock using thread or fishing line; does not require substrate planting. Prefers inert substrates if nearby; avoid burying the rhizome.
growth rate: slow