Zebra Mussels were confirmed living at Lake Mead on January 6, 2007 by
Wen Baldwin, President of the Lake Mead Boat Owner's Association.
Please also visit our Lake Mead Image Library for images of quagga mussels from Lake Mead and the Lower Colorado River
A young zebra mussel attached to monofilament fishing line.
Corp. is manufacturing clear plastic, triangular blocks holding
real zebra mussels shells. These "paperweights" will
be used as educational tools in order to show the public what zebra
mussel shells look like. Click on the image to the left for additional
Infestation at Oologah Lake, Oklahoma
A series of photographs shot by David Britton at Oologah Lake in March, 2005. Several impact photos are available showing thick zebra mussel encrustation on boats and other objects.
Infested Boats at Lake Mead
Pictures of three boats found in 2004 planning to launch at
Lake Mead. Photos provided by Wen Baldwin, Lake MEad Boat
Meridian Initiative Symbol. Various formats are available
in several sizes. 100th Meridian Initiative Logos
Photo from U.S. Fish & Wildlife Service, La Crosse Fishery
Resource Office Click
here for a larger image of zebra mussels .
from El Dorado Reservoir in south central Kansas. These traps
(or samplers) catch zebra mussel larvae (veligers), which
attach to the substrate (mesh material) inside a PVC tube.
An inexpensive method commonly used to monitor for the presence
of zebra mussels.
mussels found on a boat from Chicago area preparing to launch
in Lake Mead.
billboard from Missouri Department of Conservation
for a larger version
billboard along I-29 in southeastern South Dakota
for a 640 by 480 pixel version
Wisconsin boater brings zebra mussels to Lake Powell. Fortunately
these were only dead shells. Click
here to read the story as described by Mark Anderson of
the National Park Service and see the photos he contributed.
the Zebra" Poster produced by the Pacific
States Marine Fisheries Commission available in PDF format.
Adobe Acrobat Reader is required to view
Harmful Species" Sign from Washington State. This sign
is available in portable document format (PDF) and requires
Adobe Acrobat Reader to view it. Click here
to see the sign.
similar signs from Washington State declaring that it is illegal
to transport zebra mussels and/or water milfoil. These signs
are contained within one file in PDF format. Adobe Acrobat
Reader is required to view
Mussels on the move on I-40 in Oklahoma. This is an example
of what not to do. See
Mussels out West. Here is an example of Zebra Mussels making
it all the way to California via a trailered boat. Fortunately,
this boat was stopped before it was launched in California
close-up view of a zebra mussel shell. Click on the thumbnail
to the left to take a closer look.
A higher resolution version
(1450 x 915 pixels at 300 dpi, approximately 800 kb) is also
the message, not the mussels.
standard sign used at boat launches by the Utah Division of