Eelgrass n. : A plant (Zostera marina), with very long and narrow leaves, growing abundantly in shallow bays along the North Atlantic coast.

Example:
Can you please give me some plants inhabiting the saltwater biome aside from kelp/seaweed and Eelgrass?

Taxonomy
eelgrass beds, meadows, blades, shelter, invertebrates, crabs, Herring, salmon, shorelines, fish, bacteria, food, sediments, swim, Gunnels, Species, roots, food factory.

Defination from the web:
eelgrass affects whole populations of fish, including threatened salmon, waterfowl, shellfish, and other animals, as well as the stability of our shorelines. ... As eelgrass dies, bacteria and fungi feed on the dead leaves, breaking them down into tiny bits. ...