This fantastic Caulerpa is a super hardy macro algae. This Caulerpa grows fast and adapts to many different light intensities. Caulerpa prolifera is least apt to go sexual when kept thinned out. This Caulerpa is beautiful enough and safe enough to house in your main tank. The shoots resemble small turtle Grass leaves that grow up off of a runner. As far as nutrient exporters go, you can't beat the Caulerpas. This Caulerpa is one of the safest and easiest to grow of all the macro algaes.