Bryopsis plumosa

Link to another webpage on Bryopsis plumosa

Description: delicate soft featherlike appearance, dark green color make this easily recognized. 2-12 cm long.

Habitat: shallow rocky flats, tidepools, and lower intertidal habitats with low wave action.
(In: Hawaii - Coral Reef Network http://www.coralreefnetwork.com/marlife/seaweeds/seaweeds%20descriptions.htm)