Hornwort
Ceratophyllum demersum
easyfloatingCeratophyllaceae
Photo: S.Tanaka · Public domain
- Temperature
- 16–28 °C61–82 °F
- pH
- 6–8.5
- Hardness
- 3–25 dGH
- Light
- low
- CO₂
- optional
Leave stems floating or loosely anchored and remove shed needles.Leave stems floating or loosely anchored and remove shed needles.
Good tankmates
Avoid with
- Acei cichlid
Eats or uproots plants.Eats or uproots plants.
- African clawed frog
Eats or uproots plants.Eats or uproots plants.
- Ajamaru rainbowfish
Narrow shared pH rangeNarrow shared pH range
- American flagfish
Eats or uproots plants.Eats or uproots plants.
- Angfa rainbowfish
Narrow shared pH rangeNarrow shared pH range
- Arfak rainbowfish
Narrow shared pH rangeNarrow shared pH range
- Batanta rainbowfish
Narrow shared pH rangeNarrow shared pH range
- Black kuhli loach
Narrow shared temperature rangeNarrow shared temperature range
- Blood parrot cichlid
Eats or uproots plants.Eats or uproots plants.
- Buenos Aires tetra
Eats or uproots plants.Eats or uproots plants.
- Butterfly splitfin
Eats or uproots plants.Eats or uproots plants.
- Corona rainbowfish
Narrow shared pH rangeNarrow shared pH range
Sources
| temperature | 16–28 | curated-v0 (needs expert review) · medium |
|---|---|---|
| ph | 6–8.5 | curated-v0 (needs expert review) · medium |
| gh | 3–25 | curated-v0 (needs expert review) · medium |
| origin | Cultivated aquarium stock; natural range needs expert review | curated-v0 (needs expert review) · low |
| notes | Leave stems floating or loosely anchored and remove shed needles. | curated-v0 (needs expert review) · medium |
| beginner friendly | true | curated-v0 (needs expert review) · medium |
| care level | easy | curated-v0 (needs expert review) · medium |
| color palette | #4D8141 | curated-v0 (needs expert review) · low |
| light | low | curated-v0 (needs expert review) · medium |
| co2 | optional | curated-v0 (needs expert review) · medium |
| growth rate | fast | curated-v0 (needs expert review) · medium |
| placement | floating | curated-v0 (needs expert review) · medium |
| invasive risk | false | curated-v0 (needs expert review) · medium |