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Symplegma reptans
Image courtesy of Jay Vavra, through the Encyclopedia of Life, Creative Commons CC by-SA license
Symplegma reptans
Taxonomic Group: Tunicates


Symplegma reptans is a colonial tunicate with flattened zooids embedded within a thin, but tough, and nearly transparent tunic. It is native to the Indo-West Pacific, where it occurs in Japan, China, India and Australia. Symplegma reptans has been introduced to Southern California, being first reported from Los Angeles Harbor in 1991. It is found on natural rocky substrates and man-made structures such as marina docks and vessel hulls. At some sites, it has created extensive areas of 100% cover, potentially outcompeting other fouling species.

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Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT. .
National Exotic Marine and Estuarine Species Information System.
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Marine Invasions Lab
Smithsonian Environmental Research Center

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