Physical: Eel Grass has long, flat leaves, and can reach up to 3 feet in length; it grows in dense mats and has a complex root system. It has inconspicuous flowers on the base of the leaves.
Habitat: Z. marina grows in various substrates in a wide range of salinities, commonly in bays and sounds. The dense groupings of plants provide refuge for juveniles of various species.
Feeding: Eel Grass is a marine vegetation. It is photosynthetic, and thus autotrophic.
Breeding: Z. marina is an angiosperm. It has flowers that can be fertilized by the gametes of the same plant or by another, introducing genetic variety into the population.