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Home / Aquatic Invasives / Aquatic Invertebrates / Veined Rapa Whelk

Veined Rapa Whelk

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Veined rapa welk
Veined rapa whelk - Photo by Juliana M. Harding; Virginia Institute of Marine Science
Scientific Name: 

Rapana venosa (Valenciennes, 1846) (CABI)


Rapana thomasiana (Crosse, 1861), Rapana pontica (Nordsieck, 1969) (CABI)

Common Name: 

Veined rapa whelk, Asian rapa whelk

Native To: 

Western Pacific Ocean (Mann et al. 2004)

Date of U.S. Introduction: 

First discovered in 1998 (Mann et al. 2004)

Means of Introduction: 

Probably in ballast water (Mann et al. 2004)


Preys on bivalves, such as clams, oysters, and mussels (Mann et al. 2004)

Current U.S. Distribution: 
Chesapeake Bay

Distribution / Maps / Survey Status

DOI. USGS. Wetland and Aquatic Research Center.
Provides detailed collection information as well as animated map.


University of Georgia. Center for Invasive Species and Ecosystem Health.


Google. YouTube; Turkish Marine Research Foundation.

Selected Resources

The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Veined Rapa Whelk.

European Network on Invasive Alien Species.
See also: NOBANIS Fact Sheets for invasive alien species of the European region, covering both animals and plants, as well as microorganisms
IUCN. Species Survival Commission. Invasive Species Specialist Group.
Great Britain Non-Native Species Secretariat.

Texas Commission on Environmental Quality, Galveston Bay Estuary Program; Houston Advanced Research Center (HARC).

Federal Government

Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab.

DOI. USGS. Wetland and Aquatic Research Center.
Provides distribution maps and collection information (State and County).

Chesapeake Bay Program.