Eelgrass not only provides food for juvenile salmon but is also provides sediment control.
Eelgrass beds, which are nurseries for salmon and crab, have declined more in Hood Canal than any other area of the Puget Sound.
A few species are found in the ocean depths, but most prefer low intertidal zones and subtidal waters among eelgrass, hydroids and bryozoans.
The eelgrass limpet now appears to be totally extinct, but up until the late 1920s, this species was apparently quite common, and was easy to find at low tide in eelgrass beds, in many sheltered localities on the northeastern seaboard of North America.
Gonionemus is a genus of hydrozoan that uses adhesive discs near the middle of each tentacle to attach to eelgrass, sea lettuce or various types of algae instead of swimming.
Their eggs are deposited in round or oval jellylike strings, attached to eelgrass or sand.
They are Halophila beccarii (貝克喜鹽草), Halophila ovalis（喜鹽草)，Ruppia maritimia (川蔓藻) and Dwarf eelgrass Zostera japonica (矮大葉藻) among which Zostera japonica was first found in Lai Chi Wo in 1979.
They are valuable as a wildlife reserve, with a large colony of dwarf eelgrass (Zostera noltei) and associated animal communities.
This small false limpet lives on the leaves of the marine plant, eelgrass.
Dr. Demas observed that subaqueous areas met the definition of soil by being able to support rooted plant growth (such as Eelgrass) and had formed soil horizons.
Projects financed included a programme for return of large migratory species such as salmon to the Rhine, which received nearly ECU 5 million, and re-colonisation of eelgrass in shallow coastal waters around Denmark (EU funding of ECU 252,500).
Vallisneria gigantea, the eelgrass, an aquatic plant species in the genus Vallisneria
Eelgrass once grew in abundance in Barnegat Bay, New Jersey, where it was harvested, dried and used for insulation in houses, such as the governor's summer mansion in Island Beach State Park.
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The Seri language has many words related to eelgrass and eelgrass-harvesting.