Specimen Information

Hemimysis anomala
Hemimysis anomala
(bloody red shrimp)

Specimen ID241083
Common Namebloody red shrimp
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
Collection Day25
Collection Month9
Collection Year2006
Year AccuracyActual
Potential Pathwayshipping ballast water
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
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.


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/28/2022].

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