This beautiful Caulerpa is a gorgeous macro algae. This Caulerpa grows fast and adapts to many different light intensities. Caulerpa sertularioides 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 feathers as 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 prettiest to grow of all the macro algaes. Each unit will have six(6) feathery leaves with runner.