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Cryptocoryne Costata
Cryptocoryne costata
Plantae›Tracheophyta›Magnoliopsida›Alismatales›Araceae
📍 Southeast Asia
Rare Thai crypt with narrow green leaves and prominent midrib. Very compact growth. A sought-after species for crypt collectors.
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Compatible Livestock
Peaceful algae grazers that won't uproot or damage delicate crypt leaves
Gentle invertebrates that graze algae without harming plants; enhance planted tank aesthetics
Small, peaceful fish that add color without disturbing substrate or plant structure
Excellent companion plant with similar low-light tolerance and slow growth rate
Compatible foreground/midground plant that thrives in same low-light conditions
Creates layered foreground effect; both species benefit from similar nutrient and lighting needs
Common Diseases
Cryptocoryne Rot (Melt)
Leaves turn translucent, mushy, and dissolve; plant appears to deteriorate rapidly after introduction
Maintain stable water parameters (temperature, pH, hardness); perform 25% water changes; remove affected leaves; ensure adequate water circulation without direct flow on plant
Nutrient Deficiency
Yellowing or pale leaves, stunted growth, loss of leaf color and vibrancy
Dose all-in-one fertilizer or macronutrient supplements (NPK); add root tabs if substrate is inert; increase lighting slightly to support photosynthesis
Algae Overgrowth
Green or brown algae coating leaves, reduced light penetration, plant appears smothered
Reduce lighting duration to 6-8 hours daily; perform water changes; introduce algae-eating fish (Otocinclus) or shrimp; manually remove algae with soft brush
Black Beard Algae (BBA)
Dark red or black fuzzy growth on leaf tips and edges, plant appears weakened
Increase water circulation; reduce photoperiod; dose liquid carbon (glutaraldehyde) or hydrogen peroxide spot treatment; manually remove affected leaves; ensure adequate CO2 if using pressurized system
Tips from the community 💡
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Quick Facts
- co2
- optional
- lighting
- low-medium
- placement
- foreground/midground
- difficulty
- medium
- growthRate
- slow
Water it likes
- ph
- 6.0–7.5
- hardness
- 2–12 dGH
- temperature
- 72–82°F (22–28°C)
Legality
No state or federal restrictions on record for this species.
Not legal advice, and possibly incomplete or out of date. Rules vary by state and locality and change over time — always confirm the current regulations with your state wildlife or agriculture agency before buying, keeping, or shipping this species.