||it is widespread all over the world.
||green alga up to 30 centimeters high with
a broad, tough, translucent and membranous frond. It is attached to the
substrate via a small hold-fast.
||in very sheltered conditions, plants that
have detached from the substrate may continue to grow, forming extensive
floating communities. The plants tolerate brackish conditions and can be
found on suitable substrata in estuaries.
||it is found at intertidal level, although
in brackish habitats it is found in the shallow sublittoral level. In sheltered
conditions or in slightly exposed conditions on rocks, submerged structures,
in shallow water. It grows well in brackish, rich in nutrients water.