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Blyxa aubertii "Red"

Blyxa aubertii "Red"

Red variety of Blyxa aubertii, characterized by ribbon-like leaves and coppery tones. Rosette plant for midground or background, moderate growth.

Taxonomy
Class:Liliopsida
Order:Alismatales
Family:Hydrocharitaceae
Genus:Blyxa
Species:Blyxa aubertii "Red"

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Water Temperature

16 - 32 °C

pH Value

5 - 7.5

Water type

Freshwater

Light

Medium - High

CO2

Medium - High

Expected height

35 cm

Expected width

20 cm

GH

4 - 15 dGH

KH

0 - 14 dKH

Species description

This red-leafed variant of Blyxa aubertii originates from the warm, tropical zones of Southeast Asia, northern Australia, and East Africa. In the wild, it grows strictly submerged in calm or slow-moving freshwaters, such as shallow pools, marshes, rice fields, and sunlit stream banks. It thrives in muddy, nutrient-rich substrates where direct sunlight can reach its leaves, triggering the production of red pigments. Belonging to the family Hydrocharitaceae and the genus Blyxa, the "Red" cultivar is a natural genetic selection known for producing anthocyanin pigments under high light. Unlike other Blyxa species which have short stems, Blyxa aubertii grows strictly as a stemless rosette.

Care, breeding and tankmates

Prefers soft to moderately hard water with a KH range of 0 to 14 dKH and a pH of 5.0 to 7.5. It is sensitive to high organic waste and water column pollutants, requiring efficient filtration and regular water changes. The suitable temperature range is 16°C to 32°C. Iron and light deficiencies are the primary risks, causing the leaves to turn pale and the crown to decay. The leaves are very delicate and break easily if disturbed.

Geographic Origin and Distribution

This species originates from: Southeast Asia, Northern Australia, East Africa.

Origin

South and Southeast AsiaAfrica and MadagascarAustralia, New Guinea, and Oceania

Plant profile

Placement
Midground

It is a striking centerpiece or midground accent plant designed to draw the eye. Because it requires intense light to color up, it must be placed in a prominent, unshaded area. It looks best when contrasted against bright green plants.

Botanical form
Rosette

It shares the same large, grassy rosette form as standard Blyxa aubertii. Under strong light, its leaves develop stunning shades of orange, red, and maroon. The intensity of the color is directly correlated to light intensity.

Growth
Medium

Its growth rate is generally moderate, slightly slower than the standard green variety. With a rich substrate and high CO2, it forms a dense clump over time. Patience is required for it to reach its full potential.

Substrate
High

The "Red" variant of Blyxa aubertii is highly dependent on an iron-rich, nutrient-dense substrate to bring out its striking burgundy and bronze coloration. A deep bed of premium aqua soil is strictly necessary to house its massive root ball and fulfill its intense metabolic demands. Without substantial root-level fertilization, the plant will struggle to grow and its foliage will revert to a washed-out green.

Column fertilization
Recommended

A comprehensive liquid dosing schedule is required, with a strong emphasis on iron and trace elements. Some aquarists find that slight nitrate limitation can further enhance the redness. Balanced nutrients are essential for overall health.

Root fertilization
Recommended

A premium, highly fertile substrate is absolutely essential for this plant. Heavy root feeding with iron-rich root tabs will significantly improve its color. It draws the majority of its essential nutrients through its roots.

Trimming
Occasional

Trim by selectively removing older, faded, or damaged leaves from the outer edges of the rosette. Never top the plant by cutting the leaves in half. Removing old growth encourages vibrant new leaves.

Propagation
Division

Propagation is done by dividing the basal offsets that occasionally develop around the main crown. This process requires patience, as the plant does not propagate rapidly. Ensure the offsets are large enough before separating them.

Sensitivity
Moderate

This is a demanding plant that quickly loses its color if conditions are less than ideal. It is highly susceptible to shading and will melt if light levels drop too low. It also requires very stable water chemistry.

Layout role
Midground, Background

Its primary role is to serve as a dramatic, colorful focal point in high-tech aquascapes. It provides incredible contrast against green plants and dark hardscape materials. It is highly prized by advanced aquascapers.

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.

Blyxa aubertii

Blyxa aubertii

Blyxa aubertii

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Blyxa japonica var. japonica

Blyxa japonica var. japonica

Blyxa japonica var. japonica

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Blyxa japonica var. alternifolia

Blyxa japonica var. alternifolia

Blyxa japonica var. alternifolia

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Blyxa cf. vietii

Blyxa cf. vietii

Blyxa cf. vietii

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Blyxa alternifolia

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Ottelia ulvifolia

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Najas indica

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Limnobium laevigatum

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Stratiotes aloides

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Limnobium spongia

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Najas conferta

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Madagascar Lagarosiphon (Lagarosiphon madagascariensis)

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Nechamandra alternifolia subsp. angustifolia

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Najas madagascariensis

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Najas sp. "Roraima"

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Apalanthe granatensis

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Recommended companions

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Barbula sp.

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Anubias "nangi"

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Anubias barteri var. barteri

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Anubias barteri var. caladiifolia

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Anubias barteri var. coffeifolia

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Anubias barteri var. glabra

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Anubias gilletii

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Similar care

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Vallisneria australis 'Marmor'

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Vallisneria caulescens

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Vallisneria australis 'Curly'

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Lagarosiphon cordofanus

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Vallisneria australis

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Ottelia mesenterium

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Vallisneria natans

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Vallisneria nana "Tiger"

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Vallisneria densiserrulata

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Chlorophytum bichetii

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Ceratopteris richardii

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Acorus gramineus

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Last updated: 06/16/2026
Blyxa aubertii "Red" Care Guide & Tank Setup | Atlarium