What’s rusty and invasive to our waters? The rusty crayfish! Join the Forest Preserve District of Kane County for the seventh annual Rusty Rodeo on Saturday, Aug. 9, from 10 a.m. to noon. It’s ...

The rusty crayfish has another interesting feature in that they can create hybrids of themselves with other species of crayfish. “They will breed with native and other invasive crayfish and by ...

Starry stonewort has become a poster child for invasives. Expensive to control and nearly impossible to eradicate.

Rusty crayfish, an invasive species, has been discovered in the Little Thompson River in Larimer County, Colorado. This aggressive crayfish, known for its big appetite and rapid reproduction, ...

Researchers trap rusty crayfish at Tofte Lake to develop methods for removing the invasive species from northern waters where they threaten wild rice production and shoreline vegetation. Aired 02 ...

“Rusty crayfish are much more aggressive than our native crayfish species and are not an ideal food source for our sportfish,” said Robert Walters, CPW’s Invasive Species Program Manager.

“Rusty crayfish are much more aggressive than our native crayfish species and are not an ideal food source for our sportfish,” said Robert Walters, CPW’s Invasive Species Program Manager.

The Okanagan Crayfish, named after the Okanagan geographic region, and the Misfortunate Crayfish are both under threat from invasive species such as the Rusty Crayfish and the Virile Crayfish. These ...

“By the time we discovered the Misfortunate Crayfish, it had already lost much of its native range to the invasive Rusty Crayfish,” Larson said. “That’s what gave us the idea for its name.

The Signal Crayfish is invasive and has spread to Europe, Asia and parts of the United States. As U of I researchers studied the Signal Crayfish, they eventually identified two new species — the ...