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Charybdis hellerii
Image courtesy of David Knott, Southeastern Regional Taxonomic Center, South Carolina
Charybdis hellerii
Taxonomic Group: Crustaceans-Crabs


Charybdis hellerii is a swimming crab with a broad Indo-Pacific native range spanning from the Red Sea and East Africa, throughout the Indian Ocean to northern Australia and New Caledonia, and north to China and Japan. It is introduced in the Eastern Mediterranean Sea and the Western Atlantic. In the Western Atlantic, it was first reported near Charleston, South Carolina in 1986. Since then it has been reported across 62 degrees of latitude and now ranges from south of Cape Hatteras, North Carolina to Florianopolis, Brazil. Adult C. hellerii use a broad range of intertidal and subtidal habitats, including natural rock, riprap, coral reefs, coral rubble, mangrove roots, seagrass beds, and patches of subtidal algae. It is a potential predator and competitor of native crabs, but its impacts are not well-documented.

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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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