Specimen Information

Hemimysis anomala
Hemimysis anomala
(bloody red shrimp)
Crustaceans-Mysids
Exotic

Specimen ID241083
GroupCrustaceans-Mysids
GenusHemimysis
Speciesanomala
Common Namebloody red shrimp
StateIL
CountyLake
LocalityLake Michigan at just south of Waukegan Harbor about 1/2 to 3/4 of a mile offshore
Mapping AccuracyAccurate
HUC8 NamePike-Root
HUC8 Number04040002
HUC10 NameWaukegan River-Frontal Lake Michigan
HUC10 Number0404000205
HUC12 NameWaukegan River-Frontal Lake Michigan
HUC12 Number040400020501
Map
+
Collection Day25
Collection Month9
Collection Year2006
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
CommentsFish collected fall 2006 but not processed until spring 2007. Also 1 found in an age 0 yellow perch collected in 9m of water on 8/15/2006 (also Waukegan). Over rocky substrate in about 10 ft of water.
Record TypePersonal communication
Earliest Recordlocale
DisposalIL NHS
VerifierIllinois Natural History Survey
Freshwater/MarineFreshwater
Number Collected1
Specimen Impact1st report of yellow perch preying on Hemimysis; 1st report of a native fish preying on Hemimysis. Indicates that this invasive may be of some benefit to native fish as an alternative food supply.


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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/2/2021].

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.