Ceratophyllum demersum
Ceratophyllum demersum
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Need help with Ceratophyllum demersum?
Explore compatibility, care or problems using this guide and your aquarium’s conditions.
Planting & care
- PlacementMidground, Background
- Growth typeFloating plant
- LightMedium
- CO2Recommended
- Height2–47.2" (5–120 cm)
About this plant
Ceratophyllum demersum is a rootless aquatic plant with finely divided foliage. Its shoots can be allowed to float or anchored in the aquarium. They can become long, so plan space for growth and maintenance. Its fine foliage provides a contrasting texture among plants with broader leaves.
Quick specs
- Difficulty
- Beginner Friendly
- Light
- Medium
- CO₂
- Recommended
- Temperature
- 50–86°F (10–30°C)
- Placement
- Midground, Background
- Growth type
- Floating plant
- Aquarium suitability
- Suitable for aquariums Suitable for long-term aquarium use.
- Approx. height
- 2–47.2" (5–120 cm)
Water conditions
Plant reference ranges, not dosing instructions or measurements from your aquarium. Consider livestock needs and measured conditions.
- Temperature
- 50–86°F (10–30°C)
- pH
- 6–9
- Carbonate hardness
- 5–24 °dKH
- CO₂ (mg/L)
- 5–40 mg/L
Growth & placement
- Growth rate
- Very fast
- Propagation
- Cuttings
- Emersed growth
- No
Grow it successfully
What you’ll need to grow Ceratophyllum demersum
Start with this plant’s documented care needs, then use an AquariumLesson calculator to size the setup for your aquarium.
CO₂
This plant’s care profile lists CO₂ injection as recommended, not required.
Estimate dissolved CO₂Taxonomy
- Major group
- Angiosperms
- Family
- Ceratophyllaceae
- Genus
- Ceratophyllum
- Botanical name
- Ceratophyllum demersum
