Which large salamander, found only in the Ozark and Ouachita Mountains of Arkansas and Missouri, can grow over two feet long and is the largest amphibian?

• A Hellbender ✓
• B Mudpuppy
• C Tiger salamander
• D Pacific giant salamander

The hellbender (Cryptobranchus alleganiensis), also called the snot otter or devil dog, breathes through folds of skin and is an indicator of clean, fast-flowing streams.