Cranium of the Common Mudpuppy (Ventral View) Small 320×257 Medium 640×514 Large 1024×822 Download Tiff Original 2400×1926 | (1.6 MB) Description The Common Mudpuppy (Necturus maculosus) is a species of aquatic salamander found throughout the northeastern United States, and parts of Canada. Pictured here is the ventral view of the cranium. Keywords Common Mudpuppy, cranium, necturus maculosus, salamander, ventral view Galleries Amphibian Anatomy Source: Encyclopaedia Britannica (11th ed., vol. 3) (New York, NY: The Encyclopaedia Britannica Company, 1910)