Species Information

Orange-striped anemone (Diadumene lineata) Orange-striped anemone (Diadumene lineata)
California Academy of Sciences
Orange-striped anemone (Diadumene lineata)
California Academy of Sciences
Orange-striped anemone
Diadumene lineata

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Characteristics

• Small anemone with cylindrical body and 50-100 tentacles
• Light greenish to brown body, usually with thin, vertical, orange or tan stripes
• Grows up to 1.5 in (3.8 cm)


Habitat

• Firm surfaces such as rocks and pilings
• Occasionally on mud or marsh vegetation in calm waters
• Often associated with mussels or oysters
• Tolerates brackish water


Known Distribution in the Northeast

• Massachusetts to Florida
• Native to western Pacific Ocean (Japan, China, Hong Kong)


Impacts

• Mussels and oysters may have difficulty feeding and growing when covered by orange-striped anemone colonies
• Tolerates a wide range of temperature and salinity conditions, perhaps giving it an advantage over native anemones in competition for living space


Protecting the marine and freshwater resources of the Northeast from invasive aquatic nuisance species