Hypnea chordacea is a species of marine red algae found in the Indo-Pacific including Hawaii. It serves as an important food source for various marine organisms.
Hypnea chordacea can grow up to tall. Hypnea chordacea has a textured surface that can appear soft and spongy. Its color is typically green, but can also appear reddish-brown in deeper waters.
It is mostly common on rocks in the intertidal and shallow subtidal areas of the ocean as a turf-forming species found in the tropical Indo-Pacific including Hawaii.