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Cryptocoryne fusca

Cryptocoryne fusca

Cryptocoryne fusca: a rare and compact rosette plant with dark copper and purple-toned leaves. Prefers soft, acidic water and rich substrates. Light: Low to medium.

Taxonomy
Class:Liliopsida
Order:Alismatales
Family:Araceae
Genus:Cryptocoryne
Species:Cryptocoryne fusca
Formerly known as: 

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Water Temperature

22 - 28 °C

pH Value

5 - 6.8

Water type

Freshwater

Light

Low to Medium

CO2

Low - High

Expected height

25 cm

Expected width

25 cm

KH

0 - 6 dKH

Species description

Geographic Origin and Habitat: No additional source-verified editorial notes are available about geographic origin and habitat for Cryptocoryne fusca. Consult this record's parameters and sources.
Taxonomy and Genetics: No additional source-verified editorial notes are available about taxonomy and genetics for Cryptocoryne fusca. Consult this record's parameters and sources.
Physical Structure: No additional source-verified editorial notes are available about physical structure for Cryptocoryne fusca. Consult this record's parameters and sources.
Colour and Texture: No additional source-verified editorial notes are available about colour and texture for Cryptocoryne fusca. Consult this record's parameters and sources.

Care, breeding and tankmates

Lighting & CO2: It requires low to moderate lighting. Under high light, the leaves tend to grow flatter and closer to the substrate, whereas under lower light, they grow more upright. CO2 is not strictly necessary, but a modest supply supports regular growth and prevents the vegetative stagnation typical of this slow species.
Nutrition & Substrate: An acidic, nutrient-rich substrate, such as active aquasoil, is essential. It benefits greatly from root tabs placed near the roots. Liquid fertilization should be light to prevent algae issues due to the plant's slow growth rate.
Water Chemistry: It prefers soft and acidic water (pH 5.0-6.8, KH 0-6 dKH). It is sensitive to hard, alkaline water, where it struggles to grow and may decline. The ideal temperature range is 22°C to 28°C; regular but small water changes are recommended to keep parameters stable.
Space Management & Placement: It is ideal for the midground or foreground of medium-sized aquariums. Because it grows very slowly, it should be placed where faster-growing plants will not overshadow or choke it out. Do not move it once planted.
Pruning: Pruning consists only of the occasional removal of older or damaged leaves that decay near the base of the rosette. Use sharp scissors to make clean cuts and avoid pulling on the rhizome.
Risks & Diseases: It is vulnerable to leaf melt if pH or hardness changes abruptly. It is important to prevent organic debris from settling on the rosette, as this can smother the plant's crown and lead to rot.

Geographic Origin and Distribution

This species originates from: Borneo (Indonesia, Malaysia).

Origin

South and Southeast Asia

Plant profile

Placement
No verified data available
Botanical form
No verified data available
Growth
No verified data available
Substrate
No verified data available
Column fertilization
No verified data available
Root fertilization
No verified data available
Trimming
No verified data available
Propagation
No verified data available
Nutrients
No verified data available
Sensitivity
No verified data available
Layout role
No verified data available

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
Cryptocoryne fusca Care Guide & Tank Setup | Atlarium