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Eriocaulon sp. Mato Grosso

Eriocaulon sp. "Mato Grosso"

Eriocaulon sp. Mato Grosso is an aquarium plant belonging to the Eriocaulaceae family, characterized by a slow growth rate and ideal for placement in the foreground.

Taxonomy
Class:Liliopsida
Order:Poales
Family:Eriocaulaceae
Genus:Eriocaulon
Species:Eriocaulon sp. "Mato Grosso"
Water Temperature

20 - 28 °C

pH Value

4.5 - 7

Water type

Freshwater

Light

High

CO2

High

GH

0 - 10 dGH

KH

0 - 7 dKH

Species description

Geographical Origin and Habitat: This fascinating aquatic species has its geographical origin in the warm tropical regions of Asia and South America, where it inhabits clear river systems with weak to moderate current. It is commonly found both submerged and partially emersed along sandy or muddy banks. Additionally, its occurrence is highly associated with shaded banks and shallow water basins.
Taxonomy & Genetics: From a taxonomic point of view, it belongs to the Eriocaulaceae family and is assigned to the Eriocaulon genus. Its genetics reflect a high degree of adaptation to seasonal variations in water and chemical parameters of its native waters, assuring its resilience.
Physical Structure: The physical structure of the plant is characterized by a rosette botanical form with well-proportioned and elastic stems or rosettes. Under proper lighting conditions, it develops a stable root system capable of anchoring firmly into the riverbed.
Color & Texture: The color of the leaves presents as a bright and natural green, with translucent shades and fine textures that increase the perception of visual depth. The leaf texture is smooth or slightly wrinkled depending on aquarium conditions.

Care, breeding and tankmates

Lighting & CO2: Optimal lighting to support the plant's development ranges from medium to high, depending on the desired leaf density. Constant CO2 injection is recommended to support effective photosynthesis and prevent tissue decay.
Nutrition & Substrate: The plant benefits from a rich, porous substrate coupled with a balanced liquid fertilization in the
Water Chemistry: The ideal water chemistry includes a slightly acidic or neutral pH (4.5 - 7.0) and a moderate carbonate hardness KH (0.0 - 7.0). The optimal water temperature must be kept stable between 20.0 and 28.0 °C.
Space Management & Placement: Regarding space management, the plant should be positioned in the foreground, spacing the stems adequately to avoid shaded areas. It is ideal for creating dynamic layouts in natural aquascaping.
Pruning: Pruning must be performed regularly by topping the upper part or thinning the densest clumps with suitable scissors. Propagation is successfully achieved through cuttings replanted directly into the soil.
Risks & Diseases: The main risks are related to the development of parasitic algae on old leaves and tissue necrosis if essential nutrients are lacking. Good filtration and regular water changes prevent most diseases.

Geographic Origin and Distribution

This fascinating aquatic species has its geographical origin in the warm tropical regions of Asia and South America, where it inhabits clear river systems with weak to moderate current. It is commonly found both submerged and partially emersed along sandy or muddy banks. Additionally, its occurrence is highly associated with shaded banks and shallow water basins.

Origin

South and Southeast AsiaExtra-Amazon South America

Plant profile

Placement
Foreground
It is optimally placed in the midground. It should be planted as a solitary feature or in a small group with ample space around each crown to ensure proper light penetration.
Botanical form
Rosette
It features a striking, structural form with stiff, distinctly needle-like leaves that radiate evenly from a central point, resembling a perfect green sea urchin.
Growth
Slow
This species has a slow to moderate growth rate. It takes its time to adapt to a new tank, slowly establishing its root system before developing a dense, robust crown.
Substrate
High
Like most of its relatives, Eriocaulon sp. "Mato Grosso" heavily depends on a deeply fertile and acidic substrate to establish its massive root structure. A premium aqua soil is highly recommended to lower the pH and provide the continuous nutrient uptake this demanding plant requires. The roots will spread extensively, necessitating a generous substrate depth of 6-8 cm to ensure proper anchorage and health. Without a nutrient-rich base, the plant will struggle to maintain its striking form, making proper soil preparation a crucial step for its cultivation.
Column fertilization
Recommended
A comprehensive liquid fertilization routine is necessary. It absorbs nutrients efficiently from the water, but high CO2 injection is mandatory to keep the plant alive and thriving.
Root fertilization
None
It is a heavy root feeder requiring a thick layer of active aquasoil. Regular insertion of root tabs around its base will prevent the plant from stalling as the soil depletes.
Trimming
Occasional
Do not cut the tips of the leaves. Maintenance involves simply removing the older, outer leaves that show signs of decay or algae growth by pulling them carefully from the base.
Propagation
Cuttings
To propagate, split the mature crown carefully using a sharp razor to separate the offsets. These offsets should be replanted immediately into rich, soft soil.
Sensitivity
Moderate
It is prone to melting if moved frequently, shaded, or if CO2 levels drop. It is one of the more challenging Eriocaulon species and demands absolute stability.
Layout role
Midground, Foreground, group
It acts as a brilliant structural and textural focal point in the midground. Its geometric, sea-urchin look breaks up flat foregrounds and adds incredible visual interest.

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.

Last updated: 08/10/2026
Eriocaulon sp. Mato Grosso (Eriocaulon sp. "Mato Grosso") Care Guide & Tank Setup | Atlarium