There are many varieties of brown, green, and red algae an aquarist will deal with during the lifetime of their saltwater aquarium. Whether you want to propagate good kinds or get rid of problem ones, browse Bubble, Caulerpa, Coralline, Diatoms, Slime, Hair, Halimeda, and other algae categories to learn to identify, cultivate and control both good and bad types of marine algae or seaweeds.
- Cup and Brush Macroalgae Species information. These are some of the "good" types of algae to have in your tank.
- Caulerpa macroalgae, of which Feather and Grape species are the most popular varieties cultivated by saltwater aquarists.
- The Killer Feather Caulpera Strain is Spreading around the world. This is a species of algae that you do not want in your tank.