Mayaca fluviatilis — Bog Moss, the Softest Texture in the AquascapeMayaca fluviatilis, commonly known as Bog Moss, is a uniquely textured stem plant native to the soft, acidic waterways of the southeastern United States, Central America, and South America. Despite its name, it is not a true moss — it’s a flowering vascular plant whose impossibly fine, needle-like leaves spiral densely around slender stems, creating a soft, furry, moss-like appearance that is unlike anything else in the planted tank hobby.When trimmed regularly, it forms lush, cloud-like bushes that add an extraordinary layer of fine texture and depth to any aquascape. Its bright green, feathery mass provides stunning contrast against broad-leaved plants like Echinodorus or strap-leaved plants like Vallisneria — and doubles as perfect shelter for fry, shrimp, and small fish.Appearance Height: Up to 60 cm (24 inches); typically kept trimmed as a midground or background bush Leaves: Extremely fine, needle-like, spiral-alternate; bright to yellowish-green with a soft, moss-like texture Growth habit: Upright to creeping stem plant; branches freely when trimmed, forming dense, fluffy bushes Care & Planting Tips Plant in groups and trim frequently — regular cutting encourages dense, bushy branching Replant trimmed tops to propagate and fill in gaps quickly Column feeder — absorbs nutrients primarily through stems and leaves; regular liquid fertilization is essential Iron is critical — yellowing or white new leaves are a classic sign of iron deficiency; increase trace/micronutrient dosing to correct CO₂ supplementation promotes denser, lusher growth and prevents stunting Ideal Tank Parameters pH: 5.5 – 7.0 (prefers soft, slightly acidic water) Temperature: 20 – 28°C (68 – 82°F) Hardness: Soft preferred Lighting: Medium to High CO₂: Strongly recommended Fertilization: Regular liquid fertilizer with iron and macronutrients — essential for healthy growth Sold as a stem cutting. Note: this plant is often confused with Java Moss due to its common name, but it is a true flowering plant requiring substrate planting. Not a true moss.
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