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Ottelia ulvifolia
Ottelia ulvifolia
Ottelia ulvifolia is a fast-growing aquatic plant ideal for midground placement in aquariums, featuring long, undulating leaves. Requiring medium to high light and a nutrient-rich substrate, it makes a striking focal point in larger tanks.
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15 - 32 °C
5 - 7.5
Freshwater
Medium to High
High
50 cm
30 cm
0 - 14 dKH
Species description
Ottelia ulvifolia is native to widespread tropical and subtropical regions of Africa and Asia, where it thrives in freshwater aquatic habitats. It typically favors slow-moving or stagnant waters, such as swamps, ponds, ditches, and rice paddies, demonstrating remarkable adaptability to various environmental conditions. This natural provenance suggests a tolerance for higher temperatures and a broad range of water parameters, though it ideally prefers stable, nutrient-rich environments. Belonging to the Hydrocharitaceae family, Ottelia ulvifolia shares common ancestry with several well-known aquarium plants, including Vallisneria and Egeria. This family is characterized by submerged or floating aquatic species, often distinguished by reproduction through stolons or flowers that emerge above the water surface.
Care, breeding and tankmates
This species demonstrates considerable tolerance to a wide range of water temperatures, from 15.0 to 32.0 C, though it prefers stable conditions between 22-28°C for optimal growth. It adapts well to soft to moderately hard water, with a KH range of 0.0 to 14.0, and a slightly acidic to neutral pH, between 5.0 and 7.5. Stability in parameters and regular water changes are crucial to maintain water quality and prevent plant stress. Although a robust plant, Ottelia ulvifolia can be susceptible to nutrient deficiencies, particularly iron deficiency causing chlorosis (yellowing leaves) or potassium deficiency manifesting as pinholes in the leaves. Algae proliferation can occur on older or decaying leaves if the balance between light and nutrients is not optimal.
Geographic Origin and Distribution
This species originates from: Africa and Asia.
Origin
Plant profile
- Placement
- Midground
- Botanical form
- Rosette
- Growth
- Fast
- Substrate
- High
- Column fertilization
- Recommended
- Root fertilization
- Required
- Trimming
- Occasional
- Propagation
- Division
- Sensitivity
- Moderate
- Layout role
- Midground, Background
This plant is typically placed in the midground or background, depending on the size of the aquarium. Its broad leaves require ample space to spread out naturally without being shaded. It serves as an excellent focal point in the aquascape.
The plant grows in a classic rosette pattern, with leaves radiating from a central crown. The leaves are often broad, elegantly textured, and sometimes undulated. Its striking form makes it a bold architectural element in any aquatic garden.
Under favorable conditions, Ottelia ulvifolia grows at a steady, moderate rate. High lighting and CO2 supplementation encourage faster production of new leaves from the central rosette. It continuously replaces older outer leaves with fresh central ones.
Ottelia ulvifolia develops a highly demanding root system that necessitates a nutrient-dense and relatively deep substrate to flourish. Providing a premium aquasoil or a mature, enriched gravel bed is vital to supply the abundant minerals required for its broad, delicate foliage. A substrate layer of approximately 6 to 8 centimeters allows its dense roots to penetrate deeply, securing the plant and facilitating maximal nutrient uptake.
While root feeding is primary, Ottelia ulvifolia also benefits from liquid fertilization. Comprehensive water column dosing ensures micronutrients like iron and trace elements are readily available. Regular dosing complements root nutrition perfectly.
A rich substrate is absolutely critical for the long-term success of this rosette plant. Root tabs should be placed deeply near the crown every few months to replenish exhausted nutrients. Aquasoils provide an excellent foundation for its massive root structure.
Pruning involves selectively removing older, decaying, or algae-covered leaves from the outer edge of the rosette. Cut the leaf stems as close to the crown as possible to prevent rot. Never cut the central new growth, as this can severely stunt the plant.
Propagation usually occurs naturally through the production of side shoots or daughter plants from the base. Once a daughter plant has developed its own roots and several leaves, it can be carefully detached. Alternatively, some species propagate via seeds.
Ottelia ulvifolia can be sensitive to root disturbance once established, so transplanting should be minimized. It is prone to melting if introduced to drastically different water parameters. Herbivorous fish or large snails might damage the tender foliage.
Its main role is to serve as a strong focal point or a dominant feature in the midground. The broad, textured leaves break up the fine foliage of stem plants beautifully. In larger tanks, it anchors the aquascape with its solid visual weight.
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.
Variants and close relatives
Same atlas type, nearby scientific identity, genus, or family.
Recommended companions
Compatible cards from coherent ecosystems with matching parameters.
Similar care
Cards with similar requirements, difficulty, habitat, and husbandry profile.























