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.
Utah Department of Natural Resources.
Quagga mussels are a "SKIFF-TRANSMITTED DISEASE" (STD), and they're a threat to Utah lakes. They’re so small, they could be hitching a ride on your boat without you even knowing it. They’re dangerous and they’re damaging. That’s why it’s so important to prevent spreading them to other Utah lakes.
Wisconsin Department of Natural Resources.
Connecticut Agricultural Experiment Station. Invasive Plant Program.