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United States Department of Agriculture

Agricultural Research Service


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Image Number D1109-11

Mud shrimp (Upogebia pugettensis) are one of two shrimp species causing problems for oysters. These shrimp are often heavily parasitized by isopods that suck the shrimp’s blood and make them unable to reproduce. Griffen’s isopod (Orthione griffenis, here removed from the underside of a shrimp’s carapace) may be causing shrimp populations in several West Coast estuaries to collapse.

 

Photo by Stephen Ausmus.


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Last Modified: 8/13/2016
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