Zebra Mussel (Dreissena polymorpha) {!--말조개--> From the U.S. Fish and Wildlife Service's online digital media library. 
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Metadata 
Title: Zebra Mussels on Rudder  
Alternative Title: (none)  
Creator: Griffiths, R.  
Source: WO4106-Highlights 
Publisher: U.S. Fish and Wildlife Service 
Contributor: DIVISION OF PUBLIC AFFAIRS 
Language: EN - ENGLISH 
Rights: (public domain) 
Audience: (general) 
Subject: invasive species, mussels, exotic, aquatic nuisance species 
 
 Description 
Abstract: zebra mussels can attach themselves to boats and thereby inadvertantly be transferred to different waterways where they spread. Important for boaters in infected areas to be sure to carefully clean their boat hulls/rudders, etc to prevent the spread of zebra mussels and other aquatic invasive species -  
 
 Date 
Available: January 23 2002 
Issued: January 17 2002 
Modified: May 10 2002