Cookies seem to be disabled in your browser, therefore this website will NOT work properly! Please, consider enabling Cookies in order to maximise your user experience while browsing.
Recent discussions at Aqua-Fish+
  1. Jeff2020 at Freshwater Angelfish - A guide and forums on care on
  2. noobfishkeeper at How to grow Anacharis - Egeria densa in aquariums on …display more of the recent discussions
  3. Senator Wisdom at Bloodfin tetra (Aphyocharax alburnus) on
  4. CayceR at A page and forum devoted to keeping Blood parrot cichlids on
  5. Ness at A guide on raising African Dwarf Frogs with pictures and forum on
  6. Terry Mitchell at A guide on breeding, feeding and caring for L333 Pleco on
  7. Terry Mitchell at A guide on breeding, feeding and caring for L333 Pleco on
  8. Berna768 at Details on keeping Siamese fighting fish with images and forums on
  9. KAY SAWANT at How to care for the Flowerhorn fish with discussion on
  10. Judw93 at Forum and expert information on caring for Bristlenose Catfish on
Ceratophyllum demersum

Ceratophyllum demersum

Scientific name: Ceratophyllum demersum

Family: Ceratophyllaceae

Usual maximum size in aquariums: 10 - 80 cm (3.94 - 31.5 inch)


Recommended pH range for the species: 6.2 - 7.5

Recommended water hardness (dGH): 4 - 18°N (71.43 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 21 - 28 °C (69.8 - 82.4°F)

Reproduction of the plant: Cuttings

Origin (in the wild): Everywhere

How fast these plants grow: Fast

Recommended substrate: Sand

Demands on lighting: Bright

Ideal placement in a fish tank: Background

Common Name

Rigid Hornwort


This plant is found all over the world.

Planting Area

Background or floating


This is a very easy plant to propagate, cuttings are taken from anywhere on the plants and these will develop a basic root structure. It is quite often used as a floating plant but cuttings can be placed into the substrate, remove some of the lower leaves to reveal a small portion of bare stem, carefully place this into the substrate without crushing the stem itself.



Short Description

As mentioned above, this plant only has a basic root structure but it will anchor itself if placed into the substrate. As a floating plant it will soak up nitrates in the water and also release a substance that controls excess algal growth.


Ceratophyllum demersum, resized image 1 Ceratophyllum demersum, resized image 2 Ceratophyllum demersum, resized image 3

Did you know?

Please, verify whether your login and password are valid. If you don't have an account here, register one free of charge, please. Click here to close this box.

You have been logged out successfully! This box will close automatically!

Something went wrong during processing your message, please try again!

Your message has been sent, thanks a lot!

Page has been saved, refresh it now, please!

The page has been created, you will now be redirected!

URL already exists!

Path to the photo is not unique!

Really delete this page from the database?

The page has been removed successfully, you will be redirected now!

The page couldn't be deleted!!

Unfortunately this page doesn't allow discussion. Please, find any other page that fits your area of interest as over 99% of our pages allow discussion. The reason why no discussion is allowed here is this page is too general. Thanks a lot for understanding! Click here to search, please!

Really delete this comment from the site?

Really delete this image from the site?

Really delete this image from the site?

Selected comment has been removed successfully!

Selected image has been removed successfully!

Either login or email address is required

Account has been recovered, please check your email for further instructions