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Cryptocoryne Parva
Cryptocoryne parva
Also known as Crypt Parva, Dwarf Crypt, Parva Crypt
Plantae›Tracheophyta›Magnoliopsida›Alismatales›Araceae
📍 South Asia
Cryptocoryne Parva is the smallest crypt species, producing narrow, plain-green leaves that rarely exceed 5–6 cm (2.0–2.4 in) — making it the only crypt truly suitable for a foreground carpet role. Growth is extremely slow even under good conditions; patience of several months is required before carpeting effect appears. It is also the least prone to 'crypt melt' among its genus.
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Tanks keeping this 🌿
Growing in 1 tankCommunity tanks featuring Cryptocoryne Parva.
Compatible Livestock
Small, peaceful algae-eaters that won't uproot or damage delicate foreground plants
Gentle invertebrates that graze algae without disturbing plant roots or structure
Compatible foreground plant with similar slow growth and nutrient requirements
Small, peaceful fish that occupy mid-water column and won't damage low-growing plants
Larger shrimp that actively graze algae without harming plant tissue or substrate
Compatible background plant with similar low-nutrient tolerance and slow growth pattern
Common Diseases
Crypt Melt
Leaves become translucent, mushy, and dissolve; plant appears to rot from the rhizome upward
Improve water quality and stability; ensure adequate substrate nutrients and CO2; remove affected leaves; maintain consistent temperature and pH; this species is highly resistant compared to other crypts
Nutrient Deficiency
Stunted growth, pale or yellowing leaves, weak rhizome development despite adequate light
Apply root tabs every 4-6 weeks; supplement with liquid all-in-one fertilizer; ensure substrate contains organic matter; test and adjust macronutrient levels (nitrogen, phosphorus, potassium)
Algae Overgrowth
Green, brown, or black algae coating leaves and substrate; reduced light penetration to plant
Reduce light duration to 6-8 hours daily; increase water changes; add algae-eating fish or shrimp; manually remove algae; improve water circulation and reduce excess nutrients
Rhizome Rot
Soft, blackened rhizome; foul odor; plant fails to produce new growth despite healthy conditions
Improve substrate drainage and water circulation; remove decaying plant material; ensure substrate is not compacted; maintain consistent temperature; consider replanting in fresh substrate if severe
Tips from the community 💡
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Quick Facts
- co2
- Beneficial
- light
- Medium (50–100 PAR)
- placement
- Foreground carpet
- substrate
- Nutrient-rich fine substrate; root tabs beneficial
- growth rate
- Very slow
Water it likes
- ph
- 6.0–7.5
- nitrate
- <20 ppm
- hardness
- 2–15 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.