Eurytemora affinis
Eurytemora affinis
(a calanoid copepod)
Crustaceans-Copepods
Native Transplant
Collection Info
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6 results for Eurytemora affinis (a calanoid copepod)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
619785 CAAlamedaPort of Oakland Plankton 012007 18050004 San Francisco Bayestablished
619784 CAAlamedaPort of Oakland Plankton 022007 18050004 San Francisco Bayestablished
619783 CAAlamedaPort of Oakland Plankton 042007 18050004 San Francisco Bayestablished
156866 CASan FranciscoLake Merced (San Francisco water supply)1958 18050006 San Francisco Coastal Southunknown
619792 CASan FranciscoSan Francisco Bay1913 18050002 San Pablo Bayestablished
619793 CASan FranciscoSan Francisco Bay1995 18050002 San Pablo Bayestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are 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 data.

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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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/22/2026].

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