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The Nonindigenous Occurrences section of the NAS species profiles has a new structure. The section is now dynamically updated from the NAS database to ensure that it contains the most current and accurate information. Occurrences are summarized in Table 1, alphabetically by state, with years of earliest and most recent observations, and the tally and names of drainages where the species was observed. The table contains hyperlinks to collections tables of specimens based on the states, years, and drainages selected. References to specimens that were not obtained through sighting reports and personal communications are found through the hyperlink in the Table 1 caption or through the individual specimens linked in the collections tables.




Exopalaemon modestus
(Siberian prawn)
Crustaceans-Shrimp
Exotic
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Exopalaemon modestus (C. Heller, 1862)

Common name: Siberian prawn

Synonyms and Other Names: Leander modestus

Taxonomy: available through www.itis.govITIS logo

Native Range: Indo-West Pacific, Siberia, Manchuria, Korea, China, and Taiwan (Oh 2002).

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Alaska
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Hawaii
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Puerto Rico &
Virgin Islands
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Guam Saipan
Interactive maps: Point Distribution Maps

Nonindigenous Occurrences:

Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Exopalaemon modestus are found here.

StateYear of earliest observationYear of last observationTotal HUCs with observations†HUCs with observations†
California200020124Lower Sacramento; San Joaquin Delta; Santa Clara; Upper Coon-Upper Auburn
Oregon199520177Lower Columbia; Lower Columbia-Clatskanie; Lower Columbia-Sandy; Lower Willamette; Middle Columbia-Lake Wallula; Middle Willamette; Umpqua
Washington199620156Lower Columbia; Lower Columbia-Clatskanie; Lower Snake; Lower Snake-Tucannon; Middle Columbia-Hood; Queets-Quinault

Table last updated 5/25/2018

† Populations may not be currently present.


Ecology: Freshwater (Oh 2002). Young et al. (2017) found that the Siberian Prawn inhabited unvegetated muddy substrate in presence of other nonidigenous prawns, but had no habitat preference when there were no other nonindigenous prawns in the San Francisco Estuary.

Means of Introduction: Introduced to the Columbia River mouth in ballast water in the 1990s (Emmett 2002).

References: (click for full references)

Emmett, R. L., S. A. Hinton, D. J. Logan, and G. T. McCabe, Jr. 2002. Introduction of a Siberian freshwater shrimp to western North America. Biological Invasions. 4:447-45

Oh, Chul-Woong, H-L Suh, K-Y Park, C-W Ma, and H-S Lim. 2002 Growth and reproductive biology of the freshwater shrimp Exopalaemon modestus (Decapoda:Palaemonidae) in a lake of Korea. Journal of Crustacean Biology, 22(2): 357-366

Young, M.J., K.A. Berridge, T. O'Rear, P.B. Moyle, and J.R. Durand. 2017. Habitat partitioning by native and alien fishes and decapods in novel habitats of the upper San Francisco Estuary. Biological Invasions 19(9):2693-2710. https://link.springer.com/article/10.1007/s10530-017-1477-2.

Author: Elder, N.E.

Revision Date: 5/29/2018

Citation Information:
Elder, N.E., 2018, Exopalaemon modestus (C. Heller, 1862): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=1200, Revision Date: 5/29/2018, Access Date: 6/18/2018

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, May 23, 2018

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2018]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/18/2018].

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