These also grow on other seagrasses such as "Zostera marina". Eelgrass, "Zostera marina", is sometimes affected by seagrass wasting disease. Two species of eelgrass are found in the Fleet&colon; "Zostera marina" and "Zostera noltii". On the west coast, one may instead find "Zostera marina" in similar localities. "Zostera marina" is found on sandy substrates or in estuaries, usually submerged or partially floating.