An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Killer Shrimp

Scientific Name

Dikerogammarus villosus (Sowinsky, 1894) (CABI)

Common Name

Killer shrimp

Native To

Eastern Europe (NAS Database)

Date of U.S. Introduction

Not introduced

Means of Introduction

Could enter the U.S. through ballast water discharge (NAS Database)

Impact

In Europe, killer shrimp populations have caused significant ecological disruption by reducing biodiversity (NAS Database)

Current U.S. Distribution

Not currently established

Killer shrimp

Killer shrimp

Credit

Photo by S. Giesen; NOAA, Great Lakes Environmental Research Laboratory

Find more images

Videos

Selected Resources

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

Partnership
Federal Government
State and Local Government
Professional
Citations
  • CABI. Invasive Species Compendium. Dikerogammarus villosus. CAB International. [Accessed Aug 10, 2023].

  • Great Lakes Aquatic Nonindigenous Species Information System and Nonindigenous Aquatic Species Database. Fact Sheet - Killer Shrimp. USGS, Gainesville, FL. [Accessed Aug 10, 2023].