Encyclopaedia

Plant atlas
PlantFreshwaterEasy
©AI Generated·Proprietary

Aciotis acuminifolia

Aciotis acuminifolia

Aciotis acuminifolia: rare and spectacular stem plant with red foliage. Light: High.

Taxonomy
Class:Liliopsida
Order:Myrtales
Family:Melastomataceae
Genus:Aciotis
Species:Aciotis acuminifolia

Share

Check out Aciotis acuminifolia on Atlarium

PracticeRecognition quizzesPhotos, names, origins, and puzzles to review Atlas species.Open quizzes
Water Temperature

18 - 30 °C

pH Value

5 - 7

Water type

Freshwater

Light

High

CO2

Low - High

Expected height

40 cm

Expected width

8 cm

KH

0 - 7 dKH

Species description

Aciotis acuminifolia is native to the warm and humid regions of tropical South America, with wild populations widely distributed along the Amazon River basin and within the river systems of Guyana, Venezuela, and northern Brazil. It typically inhabits the shaded marginal zones of slow-flowing streams (igapós), forest swamps, and periodically flooded muddy ditches. In these environments, it grows partially submerged in calm, extremely soft, warm waters that are heavily loaded with humic acids released by decaying forest organic matter. It belongs to the Melastomataceae family, a botanical group rarely represented in the aquarium hobby but famous for the beauty of the foliage of its terrestrial species. The genus Aciotis comprises delicate marsh herbs.

Care, breeding and tankmates

Very demanding regarding chemical parameters: it requires very soft (KH 0-7 dKH, ideally 0-2 dKH) and acidic water (pH 5.0-7.0, ideally below 6.5). The optimal temperature is between 18°C and 30°C, preferring stable temperatures around 24-26°C. It does not tolerate hard or calcium-rich waters. The primary risk is sudden melting of the plant if placed in hard water or with high KH. Vegetative tips can blacken or stop growth in case of iron deficiencies or CO2 imbalances.

Geographic Origin and Distribution

This species originates from: South America.

Origin

Amazon, Orinoco, and GuianasExtra-Amazon South America

Plant profile

Placement
Midground

Careful consideration of placement is vital for Aciotis acuminifolia 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, Aciotis acuminifolia exhibits a distinctive stem 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
Slow

The growth rate of Aciotis acuminifolia is generally considered slow 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
High
Column fertilization
Recommended

Liquid column fertilization is highly beneficial for the sustained health of Aciotis acuminifolia. 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 Aciotis acuminifolia. 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 Aciotis acuminifolia. 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 Aciotis acuminifolia is a rewarding process that allows aquarists to expand their collection. Depending on its stem 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

Aciotis acuminifolia 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
accent, Midground

In the aquascape, Aciotis acuminifolia 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.

Related species

Recommendations grouped by close relatives, companion choices, and similar care.

Recommended companions

Compatible cards from coherent ecosystems with matching parameters.

Cabomba aquatica

Cabomba aquatica

Cabomba aquatica

View details->
Bacopa crenata

Bacopa crenata

Bacopa crenata

View details->
Adolfo's cory
Fish

Adolfo's cory

Corydoras adolfoi

View details->
Red Cabomba

Red Cabomba

Cabomba piauhyensis

View details->
Ammannia crassicaulis

Ammannia crassicaulis

Ammannia crassicaulis

View details->
Blueberry Tetra
Fish

Blueberry Tetra

Hyphessobrycon wadai

View details->
Skunk cory
Fish

Skunk cory

Corydoras arcuatus

View details->
Amano Shrimp
Invertebrate

Amano Shrimp

Caridina multidentata

View details->
Bronze cory
Fish

Bronze cory

Corydoras aeneus

View details->
Ammannia praetermissa

Ammannia praetermissa

Ammannia praetermissa

View details->
Ammannia pedicellata

Ammannia pedicellata

Ammannia pedicellata

View details->
Flag Acara (Smiling Cichlid)
Fish

Flag Acara (Smiling Cichlid)

Laetacara curviceps

View details->
White Pearl Shrimp
Invertebrate

White Pearl Shrimp

Neocaridina zhangjiajiensis var. White

View details->
Green babaulti shrimp
Invertebrate

Green babaulti shrimp

Caridina cf. babaulti "Green"

View details->
Blue Pearl shrimp
Invertebrate

Blue Pearl shrimp

Neocaridina cf. zhanghjiajiensis "Blue Pearl"

View details->
Red Cherry shrimp
Invertebrate

Red Cherry shrimp

Neocaridina davidi "Red"

View details->

Similar care

Cards with similar requirements, difficulty, habitat, and husbandry profile.

Bacopa monnieri "Rundblättrig"

Bacopa monnieri "Rundblättrig"

Bacopa monnieri "Rundblättrig"

View details->
Ammannia latifolia

Ammannia latifolia

Ammannia latifolia

View details->
Alternanthera reineckii "rosaefolia minor"

Alternanthera reineckii "rosaefolia minor"

Alternanthera reineckii "rosaefolia minor"

View details->
Cabomba australis

Cabomba australis

Cabomba australis

View details->
Blyxa japonica var. alternifolia

Blyxa japonica var. alternifolia

Blyxa japonica var. alternifolia

View details->
Cryptocoryne blassii

Cryptocoryne blassii

Cryptocoryne blassii

View details->
Ceratopteris richardii

Ceratopteris richardii

Ceratopteris richardii

View details->
Blyxa cf. vietii

Blyxa cf. vietii

Blyxa cf. vietii

View details->
Commelinaceae sp. "Green"

Commelinaceae sp. "Green"

Commelinaceae sp. "Green"

View details->
Blyxa alternifolia

Blyxa alternifolia

Blyxa alternifolia

View details->
Aldrovanda vesiculosa

Aldrovanda vesiculosa

Aldrovanda vesiculosa

View details->
Ceratopteris siliquosa

Ceratopteris siliquosa

Ceratopteris siliquosa

View details->
Cryptocoryne bullosa

Cryptocoryne bullosa

Cryptocoryne bullosa

View details->
Aponogeton rigidifolius

Aponogeton rigidifolius

Aponogeton rigidifolius

View details->
Bacopa sp. "Japan"

Bacopa sp. "Japan"

Bacopa sp. "Japan"

View details->
Anubias barteri var. nana

Anubias barteri var. nana

Anubias barteri var. nana

View details->
Last updated: 06/16/2026
Aciotis acuminifolia Care Guide & Tank Setup | Atlarium