You Ought to Tell Somebody!

Biological invasions are becoming a serious problem worldwide. Aquatic invasive species can be stopped, but only through early detection and a quick response.

This award-winning educational video gives an overview of the problem and provides identification and natural history information about one significant Northwest threat, the Chinese mitten crab.

A must-see for aquatic monitoring staff and volunteers, field educators, aquaculture operators, and others who spend time in lakes, rivers, and estuaries.