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Zebra mussels

About this photograph

Image credit

Date created
May 22, 2005
Location
Lake Ontario, Canada
License
This photograph copyright ©2005. Terms of use

See this photograph in context

  • Prehistory, contact, and the Lost Colony: First part of a North Carolina history text for secondary students, covering the land, American Indians before contact with Europeans, Spanish exploration, the Roanoke colony, and the Columbian Exchange. (Page 5.1)

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In the classroom

  • See our collection of articles on visual literacy for ideas on using photographs meaningfully in the classroom.
Photograph of zebra mussels clinging to the inside of a rusty pipe.

At Lake Ontario in Canada, zebra mussels cling to the inside of a rusty pipe. Zebra mussels, native to Russia, have become an invasive species in the United States and Canada. The mussels were most likely introduced to the Great Lakes in the holds of ships sailing from the ocean through the St. Lawrence Seaway. Since they were first detected in 1988, zebra mussels have disrupted local ecosystems and blocked the water intakes of factories, nuclear power plants, and municipal filtration plants.