Halodule (Halodule) is a genus of plants in the family Cymodoceaceae. They are native to The Contiguous United States, Pacific Basin excluding Hawaii, Puerto Rico, and U.S. Virgin Islands.
Definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.