Pleurodeles waltl have been called several names: giant ribbed newt, Iberian or Spanish ribbed newt and sharp-ribbed newt. The last of these refers to its defense mechanism: when the ribbed newt ...

The Center for Biological Diversity announced today it has sued the Trump administration for delaying critical Endangered Species Act protections for the Crater Lake newt, a unique amphibian ...

Some newts living in the western United States are poisonous, perhaps thanks to bacteria living on their skin. Tetrodotoxin, or TTX, prevents nerve cells from sending signals that tell muscles to ...

Newts of the genus Taricha produce tetrodotoxin, a powerful neurotoxin. Previously, scientists thought this was purely a chemical defense against predators, but they didn’t know how it was ...

In defence of great crested newts: why these elusive amphibians are worth the worry Published: September 22, 2017 6:13am EDT. Yvonne Black, University of Hull. Author.