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Batillaria attramentaria
Image courtesy of Susannah Anderson via flickr and the CC BY-NC-ND 2.0 License. This image was not altered. 
Batillaria attramentaria
Taxonomic Group: Mollusks-Gastropods


Batillaria attramentaria is commonly known as the Japanese False Cerith snail. It is native to the Northwest Pacific, from Russia, Japan, Taiwan and Hong Kong. It has been introduced to the Northeast Pacific, where it was first found in Washington in 1924 near transplanted Pacific Oysters (Crassostrea gigas). It has spread to other areas in Washington and to California. In its native habitat it is found in tidepools on rocky shores, as well as soft substrates, but in North America it appears to be confined to marsh and mud environments. This species competes with native mud snails and has caused declines in local populations.

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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
Smithsonian Environmental Research Center

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