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The mouth of a sea lamprey - a large oral sucking disk full of sharp, horn-shaped teeth--makes the animal an efficient killer of fish..
An aquatic invasive species is a freshwater or marine organism that has spread or been introduced beyond its native range and is either causing harm or has the potential to cause harm.
A graphic showing a red stop sign with a boat on a ramp.
Preventing the spread of aquatic invasive species starts with all of us. By working together we can protect our aquatic resources and recreational opportunities for future generations.
A person sprays off the bottom of a boat.
Preventing the spread of aquatic invasive species starts with you. By taking a few simple steps you can protect our aquatic resources and ensure that these harmful species do not spread into new areas.
zebra mussel nestled in a marimo moss ball
Invasive zebra mussels have been found in "moss balls," a plant product sold at aquarium and pet supply stores, garden centers, florist shops, and online retailers. Zebra mussels are regarded as one of the most destructive invasive species in North America and there is concern that live mussels...
A person stands in front of a lake and holds a large goldfish up to the camera.
You might think releasing your pet goldfish into a pond or lake is the kindest option when you can no longer care for it. After all, what harm could one little fish do? A lot, actually. If you’re thinking about “setting your goldfish free,” here’s why you should reconsider and what you can do...