Adapting the banks of rivers, canals and ditches may prove a good tool to combat the American crayfish, a trial in Leiden has ...

“We need funding right now to remove signal crayfish from Crater Lake so these ... the Crater Lake newt adapted at the top of ...

While the rough-skinned newt possesses a potent neurotoxin to deter predators, the Crater Lake newt is adapted to being at the top of the lake’s aquatic food chain and lacks any predator defense ...