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Okenia plana
Image courtesy of George Brooks, California Academy of Sciences
Okenia plana
Taxonomic Group: Mollusks-Gastropods
Common name: FLAT OKENIA


Okenia plana is commonly known as the Flat Okenia. It is native to the Western Pacific from Japan, the Yellow Sea, Hong Kong and the Philippines. It has been introduced to California, Australia, New Zealand and Palmyra Atoll. It inhabits rocky areas, coral reefs, marinas and harbors in warm-temperate to tropical regions where it feeds on bryozoans. No ecological or economic impacts have been reported for this species.

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Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT (2018)
National Exotic Marine and Estuarine Species Information System.
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Marine Invasions Lab
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