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Asian Shore Crab

Scientific Name

Hemigrapsus sanguineus (De Haan, 1853) (ITIS)

Common Name

Asian shore crab, Japanese shore crab, Pacific crab

Native To

East coast of Asia (Epifanio 2013)

Date of U.S. Introduction

First discovered in 1988 in the Delaware Bay (Epifanio 2013)

Means of Introduction

Possibly through ballast water (NAS Database)


Competes with native crustaceans and preys on other native species (NAS Database)

Current U.S. Distribution

Eastern U.S. coastal region

Asian shore crab
Image use policy

Asian shore crab, adult


Photo by U.S. Geological Survey

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Distribution / Maps / Survey Status


Selected Resources

The section below contains highly relevant resources for this species, organized by source.

Federal Government
International Government
State and Local Government