While the rough-skinned newt produces 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 ... by preying on the ...

Crater Lake is one of the deepest and clearest lakes on the planet. The newts play a role in keeping the lake clear and clean by eating plankton. Without them, algae growth would increase and ...

Crayfish also compete with newts for food, as both species feed on invertebrates. Where crayfish are present, invertebrate populations have been decimated. Crater Lake is part ... that by preying on ...