Shoalgrass

Halodule wrightii is an aquatic plant in the Cymodoceaceae family. It is referred to by the common names shoal grass or shoalweed, and is a plant species native to seacoasts of some of the warmer oceans of the world.

H. wrightii is an herb growing in salt-water marshes in intertidal regions, often submerged at high tide but emergent at low tide.