An Evaluation of the Eastern Hellbender Salamander Species, Cryptobranchus Alleganiensis Alleganiensis,
The Eastern Hellbender
(Cryptobranchus alleganiensis alleganiensis)
Cryptobranchus alleganiensis alleganiensis may be the largest
North American salamander, ranging long from 30.5 to 74 cm
(Niering 1985). Eastern Hellbenders are associates of the order of
tailed amphibians, Caudata and the spouse and children, Cryptobranchidae.
Along with C. a. bishopi, the Ozark Hellbender, it really is one of the
two subspecies of hellbenders, also called the Allegheny
alligator or devil-dog.
C. a. alleganiensis is definitely perennially aquatic, preferring clear
fast-moving rivers or large streams with rocky bottoms. Most
are within water 12 to 46 cm deep and have a tendency to avoid areas with
thick layers of silt (Hillis and Bellis 1971). It ranges from
the Susquehanna River and its own tributaries in NY and
Pennsylvania to the Ohio River and its own tributaries including the
Allegheny, which provides it its species brand, westward to the
Mississippi River and southward to Missouri, Arkansas, and
Georgia. It has additionally been documented in Iowa (Bishop 1943).