Caulerpa can be found in a variety of environments in tropical and subtropical areas, and most often grows on sandy and muddy bottoms. It grows like a creeping vine, sending out thin runners that take root in/on the substrate and then produce new blades overhead.
Where does Caulerpa grow?
Caulerpa taxifolia is native in tropical waters with populations naturally occurring in the Caribbean, Gulf of Guinea, Red Sea, East African coast, Maldives, Seychelles, northern Indian Ocean, southern China Sea, Japan, Hawai'i, Fiji, New Caledonia and tropical/sub-tropical Australia.
Can Caulerpa grow in freshwater?
The following ecological factors have to be considered when selecting sites for pond culture of Caulerpa. The site must be far from sources of freshwater such as rivers and streams. Caulerpa is a purely marine stenohaline alga and will die even in slightly brackish seawater.