Invasive crayfish (also called crawdads) displace crayfish species naturally found in bodies of water ("native" species). They introduce disease, hurt fishing, and harm aquatic ecosystems. Our best hope of controlling them is to prevent their introduction to new locations.
Invasive Species Resources
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Missouri Department of Conservation.
Missoula County Weed District (Montana).
This curriculum is designed to be a supplemental curriculum for teachers who want to integrate the topic of invasive weeds into their existing courses. This curriculum will provide teachers, educators, and weed professionals with an ecologically-based invasive weed curriculum that assists students in developing awareness, knowledge and skills that will result in responsible land stewardship in the state of Montana.
South Dakota Game, Fish and Parks.