Quagga Mussels
A Quagga Mussel Quagga mussels are freshwater mollusks that typically have a zebra-like pattern on their shells. They are alien to North America. Quagga mussels have spread to Lake Mead NRA. They can spread to other inland waters either in their immature form transported in water hidden in livewells, bilge, and motors or as adults attached to boat hulls, engines, aquatic weeds, or other surfaces. The spread of quagga mussels to Lake Mead and Lake Mohave will potentially cost millions of dollars by clogging engines and encrusting boats and facilities, disrupting the food chain, disrupting sport fishing, and littering beaches with sharp smelly shells. For more information and find out how to help prevent quagga mussel and other harmful aquatic hitchhikers at Lake Mead National Recreation Area please visit: Don't Move a Mussel! Invasive mussels are here! Quagga mussels have been found in Lakes Mead and Mohave. Mud, plants and animals that may be lurking on your watercraft, trailer, or on your vehicle will cause the spread of invasive mussels. Invasive mussels cause millions of dollars of damage to boat and water systems by clogging pipes and engines. They also impact the native ecosystem and sport fisheries. Clean Your Boat and Your Equipment! Every time you leave the water:
Contact a Lake Mead or Lake Mohave marina to obtain a boat wash. 
Quagga mussels on a flip flop
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.jpg "A boat motor covered with mussel shells")
Quagga mussels on boat propeller
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Did You Know?
With more than 700 miles of shoreline, Lake Mead offers countless opportunities for exploration. One can return to Lake Mead National Recreation Area again and again to a favorite cove or hideaway in which to enjoy the special solitude, where water and desert contrast and complement each other.