Specimen Information

Blackfordia virginica
Blackfordia virginica
(Black Sea jellyfish)
Coelenterates-Hydrozoans
Exotic

Specimen ID1794
GroupCoelenterates-Hydrozoans
GenusBlackfordia
Speciesvirginica
Common NameBlack Sea jellyfish
StateCA
CountyNapa
LocalityNapa River [just S of Napa]
Mapping AccuracyAccurate
HUC8 NameSan Pablo Bay
HUC8 Number18050002
HUC10 NameSan Pablo Bay
HUC10 Number1805000208
HUC12 NameSan Pablo Bay Estuaries
HUC12 Number180500020801
Map
+
Collection Month10
Collection Year1993
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
Reference 1
Ref. Number:1383
Author:Mills, C.E., and F. Sommer
Date:1995
Title:Invertebrate introductions in marine habitats: two species of hydromedusae (Cnidaria) native to the Black Sea, Maeotias inexspectata and Blackfordia virginica, invade San Francisco Bay.
Journal:Marine Biology
Volume:122
Pages:279-288
Commentsfirst introduced in 1993
Record TypeLiterature
Earliest RecordState
Freshwater/MarineFreshwater-Marine


Disclaimer:

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/2/2020].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.