PlantFreshwaterEasy
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Eleocharis sp. "Minima"
Eleocharis sp. "Minima"
Eleocharis sp. 'Minima': small foreground plant with medium growth rate, ideal for creating dense green lawns in nano aquariums or traditional aquascapes.
Water Temperature
18 - 27 °C
pH Value
5.5 - 7
Water type
Freshwater
Light
Medium - High
CO2
Medium - High
Expected height
4 cm
Expected width
12 cm
GH
0 - 20 dGH
KH
0 - 14 dKH
Species description
Geographical Origin and Habitat: This tiny variant of Eleocharis comes from humid tropical habitats where it grows along the banks of lakes and slow-flowing rivers. It is often found in very shallow water or on muddy soils exposed during the dry season, adapting perfectly to water level variations.
Taxonomy & Genetics: It is a member of the Cyperaceae family, genus Eleocharis. The name 'Minima' refers to its extremely small size compared to other species of the genus. Genetically, it is selected to maintain short, compact leaves even under fully submerged conditions.
Physical Structure: It has a carpeting growth habit with short, thin needle-like leaves growing vertically from a system of small underground rhizomes. It forms a dense and homogeneous lawn that prevents light penetration to the lower levels of the substrate.
Color & Texture: It features a bright green, uniform, and intense coloration. The texture is extremely fine and soft to the touch, creating a natural lawn effect of incredible visual beauty in small aquariums.
Care, breeding and tankmates
Lighting & CO2: Requires strong lighting to prevent the leaves from stretching too much in search of light. CO2 supplementation is crucial to achieve a dense and compact carpet.
Nutrition & Substrate: A substrate rich in nutrients (such as aquasoil) is essential to support root development. Root fertilizer tabs are of great help.
Water Chemistry: Prefers soft and slightly acidic water, but tolerates pH ranges between 5.5 and 7.5. The optimal temperature is between 15 and 28 °C.
Space Management & Placement: Should be placed exclusively in the foreground. Ideal for nano aquariums or for creating large lawns in larger tanks.
Pruning: Must be pruned regularly like an English lawn to stimulate lateral propagation and maintain the desired height.
Risks & Diseases: Tends to trap debris between its thin leaves; it is important to siphon gently and maintain a good filtration system to avoid filamentous algae.
Geographic Origin and Distribution
This tiny variant of Eleocharis comes from humid tropical habitats where it grows along the banks of lakes and slow-flowing rivers. It is often found in very shallow water or on muddy soils exposed during the dry season, adapting perfectly to water level variations.
Origin
Amazon, Orinoco, and Guianas
Plant profile
- Placement
- Foreground
- This plant is universally utilized in the foreground of the aquarium to create lush, grass-like carpets. It can also be planted strategically between rocks or hardscape to soften transitions. Due to its short stature, it should not be shaded by larger background plants. It works exceptionally well in nano tanks and large aquascapes alike.
- Botanical form
- Rhizome
- Eleocharis sp. 'Minima' forms fine, hair-like blades that grow from a central basal rosette. It propagates via lateral runners beneath the substrate surface, creating interconnected networks. The blades are bright green, highly flexible, and wave gently in the water current. Its root system is delicate but dense, anchoring the plant firmly into fine-grained substrates.
- Growth
- Medium
- The growth rate is generally moderate to fast, provided optimal conditions with high light and CO2 are met. Once the plant acclimates to the aquarium environment, it sends out numerous runners. Under lower light, the growth can slow down significantly, and the blades might grow taller as they reach for light. Consistent conditions will ensure a steady and even spread.
- Substrate
- High
- Eleocharis sp. "Minima" is a diminutive carpeting plant that thrives exclusively in high-quality, fine-grained substrates like aquatic planting soils. Its gossamer-thin roots cannot grip large gravel pieces, requiring a soft, loosely packed medium to spread effectively. A substrate depth of 3 to 5 centimeters ensures that new shoots can anchor firmly as the carpet expands outward. Consistent root-level nutrition is essential, as the plant relies on a fertile base to maintain its vibrant coloration and dense density.
- Column fertilization
- Recommended
- While heavily reliant on substrate nutrients, column fertilization still plays a crucial role in its development. Dosing liquid fertilizers containing potassium and micronutrients ensures the blades remain bright green. If the water column lacks iron, new growth may appear pale or yellowish. A comprehensive liquid fertilization routine is necessary for the best visual results.
- Root fertilization
- None
- Root feeding is the primary method Eleocharis sp. 'Minima' uses to gather nutrients, making a specialized soil or root tabs highly beneficial. The fine roots easily penetrate active aquasoils, which supply long-term nutrients. If grown in inert sand or gravel, root capsules must be added to prevent nutrient deficiencies. A rich substrate promotes much faster runner development.
- Trimming
- Occasional
- Trimming is essential to maintain a neat, compact carpet and prevent the lower layers from dying off due to lack of light. Use curved spring scissors to trim the blades down to about 1-2 cm above the substrate. The plant responds very well to aggressive trimming and will grow back thicker. Be sure to net out the floating clippings, as they can quickly mess up the filter.
- Propagation
- Cuttings
- Propagation occurs naturally through runners that branch out from the parent plant. To speed up the carpeting process, you can carefully uproot a small patch, separate it into smaller plugs, and replant them a few centimeters apart. Over time, these plugs will grow together. Healthy plants will constantly push new runners as long as space and nutrients are available.
- Sensitivity
- Moderate
- This plant is relatively hardy but can be sensitive to aggressive chemical treatments, particularly algaecides containing copper. It also struggles if detritus accumulates heavily within its dense blades, leading to suffocation and algae. Good water circulation is necessary to keep the carpet clean. It is generally resistant to most common water parameter fluctuations if kept within standard planted tank ranges.
- Layout role
- Foreground, Nano
- Its primary role is as a foreground carpeting plant, providing a scale-enhancing, meadow-like appearance. It contrasts beautifully with larger-leaved midground plants or dark hardscape materials like dragon stone. By planting it on sloped substrates, aquascapers can create an illusion of depth. It is a staple choice for Iwagumi style layouts.
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.
