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Aeschynomene fluitans

Aeschynomene fluitans

Beautiful midground plant with a fast growth rate. Ideal for creating beautiful visual interest.

Taxonomy
Class:Liliopsida
Order:Fabales
Family:Fabaceae
Genus:Aeschynomene
Species:Aeschynomene fluitans

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Water Temperature

4 - 32 °C

pH Value

6 - 7.5

Water type

Freshwater

Light

High

CO2

Low

GH

4 - 20 dGH

KH

2 - 15 dKH

Species description

The species Aeschynomene fluitans is native to the wetlands and slow-flowing rivers of tropical Africa, particularly in the Okavango Delta basin, where it floats freely on the water surface. In its natural environment, it is typically found in slow-flowing or stagnant waters, such as swamps, ponds, and tropical riverbanks, where it adapts beautifully to seasonal water level variations. This habitat provides a rich organic substrate and consistent, filtered light exposure. The plant's ability to grow both submersed and emersed is a testament to its extraordinary evolutionary resilience in these humid ecosystems. From a taxonomic perspective, the plant belongs to the genus Aeschynomene, belonging to the family Fabaceae.

Care, breeding and tankmates

This species prefers an extremely wide temperature range (4-32 °C) and acidic to neutral water, keeping the water surface clean and gently moving. Regular water changes are recommended to maintain stable parameters and low levels of pollutants such as nitrates and phosphates. Good mechanical and biological filtration will ensure an environment free of suspended particles, which could settle on the leaves and limit photosynthesis. The main risks include leaf drying if the air humidity above the tank is too low, and rot due to water condensation dripping from a tight lid. Under conditions of poor water movement or nutrient imbalance, the leaves can be colonized by filamentous or green spot algae.

Geographic Origin and Distribution

This species originates from: Africa.

Origin

Africa and Madagascar

Plant profile

Placement
Midground

Careful consideration of placement is vital for Aeschynomene fluitans in any aquascape layout. Positioning it where it receives high lighting will yield the best visual results. Ensure there is enough space around it to accommodate its natural growth pattern without shading neighboring plants. Strategic placement will enhance the overall depth and aesthetic of the aquarium.

Botanical form
Stem

Botanically, Aeschynomene fluitans exhibits a distinctive floating form that adds unique texture to the tank. Its structural characteristics make it a fascinating subject for dedicated aquatic botanists. The leaf morphology and stem structure are adapted to its specific environmental niche. Observing its natural form develop provides great satisfaction to the careful aquascaper.

Growth
Fast

The growth rate of Aeschynomene fluitans is generally considered fast under optimal aquarium conditions. Providing the right balance of light and CO2 can slightly accelerate this pace. Aquarists should be prepared to manage its growth to maintain the desired layout shape. Consistent environmental parameters are key to stable and predictable development.

Substrate
None
Column fertilization
Recommended

Liquid column fertilization is highly beneficial for the sustained health of Aeschynomene fluitans. Dosing a comprehensive liquid fertilizer ensures that leaves have direct access to essential minerals. It is recommended to divide the weekly dose into smaller daily additions for better absorption. Adjust the dosage based on the plant's visible response and overall biomass.

Root fertilization
None

Root fertilization plays a significant role in the overall vitality of Aeschynomene fluitans. Inserting nutrient-rich root tabs directly into the substrate near its base promotes strong root systems. This is particularly important in mature setups where substrate nutrients may have depleted. A healthy root system anchors the plant securely and supports robust upper growth.

Trimming
Occasional

Regular trimming is required to maintain the desired shape and health of Aeschynomene fluitans. Using sharp aquascaping scissors ensures clean cuts that heal quickly without inviting rot. Pruning also encourages denser regrowth and prevents lower portions from being overly shaded. Remove any decaying trimmed leaves promptly to maintain optimal water quality.

Propagation
Cuttings

Propagating Aeschynomene fluitans is a rewarding process that allows aquarists to expand their collection. Depending on its floating nature, this is usually achieved by taking healthy cuttings or dividing the rhizome. Ensure that each new segment has sufficient healthy tissue to establish itself. Plant the new propagules carefully to encourage rapid rooting and new growth.

Sensitivity
Moderate

Aeschynomene fluitans can be somewhat sensitive to sudden fluctuations in water parameters. It may exhibit signs of stress or melt if exposed to abrupt changes in temperature or pH. Algae treatments containing copper or glutaraldehyde should be used with extreme caution around this plant. Maintaining a stable, clean environment is the best defense against health issues.

Layout role
Floating

In the aquascape, Aeschynomene fluitans serves an important role by adding specific structural elements. It can be used to create focal points or to soften the transition between hardscape and open spaces. The plant's unique texture contrasts beautifully with both fine-leaved and broad-leaved neighbors. Thoughtful integration of this species greatly elevates the natural feel of the display.

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

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Last updated: 06/16/2026
Aeschynomene fluitans Care Guide & Tank Setup | Atlarium