The eggs are enclosed in capsules and hatch after about five days , developing into veliger larvae that soon begin to feed on microalgae and are planktonic .
These are flat , gelatinous ribbons attached by one edge to the underlying surface .
The eggs are enclosed in capsules and hatch after about five days , developing into veliger larvae that soon begin to feed on microalgae and are planktonic .
These are flat , gelatinous ribbons attached by one edge to the underlying surface .