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Sphaeroma walkeri
Image courtesy of Bella S. Galil, National Institute of Oceanography, Israel.
Sphaeroma walkeri
Taxonomic Group: Crustaceans-Isopods

Overview:

Sphaeroma walkeri is a marine isopod that resembles a terrestrial pillbug. It is not a substrate-borer, but is a crevice-dweller, living in and under rocks, wood, and in fouling communities on jetties, pilings, floats, buoys, and vessel hulls. It is native to the Indian Ocean and is one of the world’s most widespread isopod invaders. Introduced populations are spread throughout both sides of the Atlantic, the Mediterranean, Southern China, Australia, Southern California, and Hawaii. Despite its broad distribution, no ecological or economic impacts have been reported for this species.

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Citation:

Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT (2018)
National Exotic Marine and Estuarine Species Information System.
http://invasions.si.edu/nemesis/.
Access Date:



Marine Invasions Lab
Smithsonian Environmental Research Center

P.O. Box 28
647 Contees Wharf Road
Edgewater, MD 21037-0028 Tel: 443 482 2200
Fax: 443 482 2380
invasionsweb@si.edu


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