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Hellbenders (Cryptobranchus alleganiensis), family Cryptobranchidae, eastern United States

The smallest of the "Giant Salamanders" in the family Cryptobranchidae, this aquatic salamander is nonetheless quite large, growing to a length of up to 29 inches.

While only considered "Vulnerable" nationally, this species is considered endangered in some states.

photographs by David Herasimtschuk