Freshwater
Hornwort
Ceratophyllum demersum
Ceratophyllaceae
Facts
Care
- Growth form
- Under water
- Placement
- Background, Surface
- Light
- Low
- CO₂
- Not needed
- Growth
- Fast
- Difficulty
- Easy
- Height
- Up to 100 cm
Range
NativeIntroduced
Lives wild in Albania, Algeria, Angola, Argentina, Australia, Austria, Baltic States, Bangladesh, and 118 more countries.
Introduced to Hawaii, Mauritius, New Zealand, and South Africa.
More about the species
Description
Ceratophyllum demersum, commonly called hornwort or coontail, is a species of flowering plant in the genus Ceratophyllum. Ceratophyllum demersum is a submerged, free-floating aquatic plant, with a cosmopolitan distribution, native to all continents except Antarctica. It is a harmful weed introduced in New Zealand. It is also a popular aquarium plant. Its genome has been sequenced to study angiosperm evolution.
Other names
Other scientific names
- Dichotophyllum demersum
In other languages
- Hornblad
- Hornsärv
- Karvalehti, Sarvikarvalehti, Tankeakarvalehti
- Common hornwort, Coon's tail, Coon's-Tail, Coontail, Hornworts, Rigid hornwort
Articles
All articles
Easy plants for beginners4 min read
Plants that cope with low light, soft water and a beginner’s mistakes, and how to plant them so they grow.
How to set up a South American aquarium4 min read
Soft, acidic water, subdued light, sand, roots and fallen leaves: how to set up a biotope aquarium from the Amazon and the rivers around it.
How to set up a Central American aquarium5 min read
Hard, alkaline water, sand and rock: an aquarium from the rivers and lakes of Mexico and Central America, with cichlids and livebearers.
How to set up an African aquarium5 min read
Two completely different aquariums: forest rivers with soft, brown water, roots and leaves, and Rift Valley lake cichlids in hard, alkaline water with big rock piles.