A crayfish species ... spotted in Ontario waters for the first time. While that might sound fortuitous to anyone looking for a homegrown culinary creation, Ontario wildlife officials are mobilizing to ...

Hydrilla, an aggressive aquatic plant, and algae blooms ... and this project allows us to take real action against invasive species that threaten the beauty and balance of our natural spaces.” ...

These colorful blobs can squirt water when removed from their aquatic homes ... but most of what this research group finds are invasive species. Scientists believe a lack of predators and warmer ...