Palaemonetes kadiakensis
Palaemonetes kadiakensis
(Mississippi Grass Shrimp)
Native Transplant
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Palaemonetes kadiakensis (M. J. Rathbun, 1902)

Common name: Mississippi Grass Shrimp

Taxonomy: available through www.itis.govITIS logo

Size: up to 50 mm in length (Pennak 1989)

Native Range: This shrimp ranges from northeastern Mexico, Mississippi River north to the Great Lakes and east to Florida (see Page, 1985; Fig. 87, p. 360). It is sporadic in the central US, west of the Allegheny Mountains, and from the Gulf of Mexico to Canada (Pennak 1989).

US auto-generated map Legend USGS Logo
Alaska auto-generated map
Hawaii auto-generated map
Caribbean auto-generated map
Puerto Rico &
Virgin Islands
Guam auto-generated map
Guam Saipan
Interactive maps: Point Distribution Maps

Nonindigenous Occurrences: Monongahela River in Pennsylvania in 2006.

Means of Introduction: Unknown, could be a natural range expansion.

References: (click for full references)

Page, L. M. 1985. The crayfishes and shrimps (decapods) of Illinois. Ill. Nat. Hist. Surv. Bull., 33(4):335-447.

Pennak, R. W. 1989. Fresh-water invertebrates of the United States, 3rd ed. John Wiley & Sons, New York.

Author: Benson, A.J.

Revision Date: 3/12/2013

Citation Information:
Benson, A.J., 2018, Palaemonetes kadiakensis (M. J. Rathbun, 1902): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL,, Revision Date: 3/12/2013, Access Date: 3/22/2018

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.

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Page Last Modified: Wednesday, March 14, 2018


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Citation information: U.S. Geological Survey. [2018]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/22/2018].

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