Synidotea laevidorsalis
Synidotea laevidorsalis
(an isopod)
Crustaceans-Isopods
Exotic
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13 results for Synidotea laevidorsalis (an isopod)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
4609 CA San Francisco Bay (Central Bay)1986 18050002 San Pablo Bayestablished
4607 CA San Francisco Bay (South Bay)1986 18050002 San Pablo Bayestablished
4610 CA San Pablo Bay (north of San Francisco Bay)1993 18050002 San Pablo Bayestablished
4611 CA San Pablo Bay (north of San Francisco Bay)1994 18050002 San Pablo Bayestablished
4612 CA San Pablo Bay (north of San Francisco Bay)1995 18050002 San Pablo Bayestablished
4606 CA San Francisco Bay1897 18050004 San Francisco Bayestablished
4608 CAContra CostaSuisun Bay at Pittsburg, CA1986 18050001 Suisun Bayestablished
4613 CANapaNapa River [Vallejo, CA]1993 18050002 San Pablo Bayestablished
4614 CANapaNapa River [Vallejo, CA]1994 18050002 San Pablo Bayestablished
4615 CANapaNapa River [Vallejo, CA]1995 18050002 San Pablo Bayestablished
4969 NJCumberlandMaurice River at Bivalve, NJ (Delaware Bay off Egg Island and Fortescue)1999 02040206 Cohansey-Mauriceestablished
1886073 NJMonmouthPort Monmouth, Sandy Hook Bay2023 02030104 Sandy Hook-Staten Island 
4970 SCCharlestonStono River at marina, Maybank Highway just S of Charleston1998 03050202 South Carolina Coastalestablished

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/12/2025].

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