Common name: Pacific giant oyster
Synonyms and Other Names: Magallana gigas
available through www.itis.gov
Hydrologic Unit Codes (HUCs) Explained
Puerto Rico &
Interactive maps: Point Distribution Maps
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 Crassostrea gigas are found here.
Table last updated 2/27/2023
† Populations may not be currently present.
Impact of Introduction:
Summary of species impacts derived from literature review. Click on an icon to find out more...
(ANS Clearinghouse Bibliography)
Revision Date: 3/5/2021
Elder, N.E., 2023, Crassostrea gigas: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=113, Revision Date: 3/5/2021, Access Date: 3/26/2023
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.