Ceratophyllum demersum – Aquarium Plants

Ceratophyllum demersum

Uncover the Secrets of Ceratophyllum demersum – Aquarium Plants

Ceratophyllum demersum, also known as Hornwort, Coontail, or Rigid Hornwort, is a popular freshwater aquarium plant that is easy to grow. It is widely used due to its fast-growing nature, its ability to provide oxygen to the water, and its natural ability to absorb harmful toxins from the water.

Ceratophyllum demersum is a plant that is found in tropical, subtropical and temperate climates. It is a floating plant and can be found in slow-moving rivers and lakes. It grows up to 12 inches in length and has small, dark green, needle-like leaves. It has a root system that is made up of small, feathery leaves.

Fun Fact:

Ceratophyllum demersum has been used for centuries as a water purifier. It has been used to remove heavy metals, organic pollutants, and other contaminants from water.

Ceratophyllum demersum is a great addition to any aquarium. It will provide a natural source of oxygen to the water, as well as provide shelter for small fish and invertebrates. The plant also helps to reduce algae growth by competing for the same nutrients in the water.

Nutrients of Ceratophyllum demersum

Nutrient Amount
Nitrogen 0.6 – 0.8%
Phosphorus 0.05 – 0.12%
Potassium 0.1 – 0.3%
Magnesium 0.05 – 0.2%
Calcium 0.1 – 0.2%

In addition to providing oxygen and shelter, Ceratophyllum demersum can also be used as a food source for some fish. Live food such as brine shrimp, daphnia, and mosquito larvae can be found on the leaves of the plant.

Fish Types That Prefer Ceratophyllum demersum

  • Danios
  • Rasboras
  • Tetras
  • Livebearers
  • Catfish
  • Loaches
  • Barbs
  • Gouramis
  • Goldfish

Ceratophyllum demersum is a great plant for the beginner aquarist. It is easy to care for, and it does not require any special lighting or fertilizers. It is also a great way to add a natural touch to the aquarium.

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Report by Dr. Jenna Lee

Dr. Jenna Lee has a Ph.D. in Aquatic Biology and has over 10 years of experience working in the field of fish aquaculture

Relevant guides


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