Taxonomy Search:

Gammarus tigrinus
Image courtesy of David M Knott, Southeastern Regional Taxonomic Center, Marine Resources Research Institute, South Carolina
Gammarus tigrinus
Taxonomic Group: Crustaceans-Amphipods

Overview:

Gammarus tigrinus is a gammarid amphipod which is native to the east coast of North America from the Gulf of St. Lawrence to Florida. Introduced populations are known from the Great Lakes and St. Lawrence system, the upper Mississippi River, and fresh and brackish waters of Europe and Venezuela. In Europe, genetic studies show multiple introductions from various regions of North America. This species has wide temperature and salinity tolerances and is characteristic of sheltered habitats, including algal beds, brackish marshes, fouling invertebrates, and freshwater seeps and pools on rocky shores. In its introduced range, populations are reported to displace native amphipod species through competition and predation.

* Content for this species is based on the literature and peer review is pending - if you have comments or feedback please contact Paul Fofonoff at fofonoffp@si.edu

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Citation:

Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT (2018)
National Exotic Marine and Estuarine Species Information System.
http://invasions.si.edu/nemesis/.
Access Date:



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Smithsonian Environmental Research Center

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