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Microsorum pteropus 'Tropica'
Microsorum pteropus 'Tropica'
Microsorum pteropus 'Tropica' is a reliable and easy-to-care-for aquatic fern, excellent for creating a natural focal point in the midground of an aquarium. Its moderately slow growth and ability to anchor to hardscapes make it an excellent choice for long-lasting aquascapes.
Class:Liliopsida
Order:Polypodiales
Family:Polypodiaceae
Genus:Microsorum
Species:Microsorum pteropus 'Tropica'
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Water Temperature
4 - 30 °C
pH Value
5 - 8
Water type
Freshwater
Light
Low to High
CO2
High
KH
0 - 14 dKH
Species description
Geographical Origin and Habitat: While 'Tropica' is a cultivated variety, the species Microsorum pteropus is native to Southeast Asia, where it thrives as both an aquatic and emersed fern. It is commonly found anchored to submerged wood, rocks, and riverbanks in slow-moving streams and shaded ponds. These natural conditions reflect its resilience and preference for anchoring onto solid surfaces rather than being rooted in substrate.
Taxonomy & Genetics: Microsorum pteropus belongs to the family Polypodiaceae, a large group of ferns characterized by creeping rhizomes and pinnatifid fronds. The 'Tropica' cultivar has been selected for its distinctive aesthetic characteristics, which differentiate it from wild forms and other varieties. Although not a genetically modified species, it represents a phenotype stabilized through vegetative propagation, ensuring consistent traits.
Physical Structure: The physical structure of Microsorum pteropus 'Tropica' is typical of rhizomatous aquatic ferns. It possesses a horizontal, fleshy rhizome from which slender roots and lanceolate fronds emerge. The leaves can reach considerable sizes and sometimes display a slight undulation at the margins, lending an elegant appearance to the overall plant structure within the aquarium.
Color & Texture: The fronds of Microsorum pteropus 'Tropica' exhibit a vibrant green coloration, which can vary in intensity depending on light conditions and available nutrients. The texture of the leaves is generally smooth and slightly leathery, offering a pleasing visual contrast with softer-leaved plants. Occasionally, small dark spots may appear on the leaf blade, often indicating nutrient deficiencies or simply mature, aging leaves.
Care, breeding and tankmates
Lighting & CO2: This fern adapts to a wide spectrum of light intensities, from low to high, but its growth is optimal under moderate illumination. Excessive light levels without adequate CO2 and nutrient supplementation can promote algal growth on the leaves and stress the plant. Carbon dioxide injection is not strictly necessary for survival but significantly accelerates its growth rate and enhances overall robustness.
Nutrition & Substrate: Microsorum pteropus 'Tropica' primarily derives its nutrients from the
Water Chemistry: The water chemistry requirements for Microsorum pteropus 'Tropica' are extremely tolerant, making it suitable for almost all aquarium setups. It thrives best in temperatures between 20°C and 28°C but can withstand broader ranges from 4°C to 30°C without significant issues. It adapts well to a pH ranging from 5.0 to 8.0 and a carbonate hardness (KH) between 0.0 and 14.0, demonstrating remarkable resilience.
Space Management & Placement: For ideal placement, Microsorum pteropus 'Tropica' is perfect for the midground of the aquarium, where its fronds can create a natural focal point. As an epiphytic fern, its rhizome must be tied or glued to wood, rocks, or other decorations, strictly avoiding burying it in the substrate. Keeping the rhizome exposed prevents suffocation and rot, ensuring healthy and vigorous growth.
Pruning: Pruning of Microsorum pteropus 'Tropica' is only necessary to remove older, damaged, or excessively long fronds that might overshadow other plants. Leaves showing signs of deterioration or persistent algae coverage can also be removed. This process encourages the development of new, more vigorous fronds and helps maintain the desired aesthetic in the aquarium.
Risks & Diseases: One of the most common issues affecting this fern is "Java Fern melt," characterized by the rapid deterioration of leaves, often caused by drastic environmental changes or nutrient deficiencies. Black spots on leaves can indicate a potassium deficiency or natural aging, while algae attacks occur due to light and nutritional imbalances. Maintaining stable conditions and adequate fertilization is crucial to prevent these problems.
Geographic Origin and Distribution
While 'Tropica' is a cultivated variety, the species Microsorum pteropus is native to Southeast Asia, where it thrives as both an aquatic and emersed fern. It is commonly found anchored to submerged wood, rocks, and riverbanks in slow-moving streams and shaded ponds. These natural conditions reflect its resilience and preference for anchoring onto solid surfaces rather than being rooted in substrate.
Origin
South and Southeast AsiaSelective breeding and cultivars
Plant profile
- Placement
- No verified data available
- Botanical form
- No verified data available
- Growth
- No verified data available
- Substrate
- No verified data available
- Column fertilization
- No verified data available
- Root fertilization
- No verified data available
- Trimming
- No verified data available
- Propagation
- No verified data available
- Nutrients
- No verified data available
- Sensitivity
- No verified data available
- Layout role
- No verified data available
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
Related species
Recommendations grouped by close relatives, companion choices, and similar care.
