Growing corals

Do corals like mushrooms replicate themselves if I only start with one? I know some people cut theirs up and then each pice will grow but if I don't want to do that will they split on their own?

 

one of my ricordia just did

 

Yes they do if the conditions are good.

 

Ok cool! Does the same go for zoas?

 

Yup. But like stated, with good, stable water conditions
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I've never had mine split by themselves. I see them stick out a little "foot" of tissue, like a root, then disconnect the little bit of tissue. That will develop into a new baby mushroom.

Same thing happens when I scrape one off a rock...that little piece of tissue remaining grows into a new mushroom.

Yep, same with zoas and most other soft corals. Some others will disconnect part of itself and that piece will drop or float off to start a new colony.