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[15] [16] The common mudpuppy never leaves its aquatic environment and therefore does not undergo morphogenesis; however, many salamanders do and develop differentiated teeth. [17] Aquatic salamander teeth are used to hinder escape of the prey from the salamander; they do not have a crushing function. [17] This aids the salamander when feeding.
Necturus is a genus of aquatic salamanders in the family Proteidae. Species of the genus are native to the eastern United States and Canada. [2] [3] [4] They are commonly known as waterdogs and mudpuppies.
The hellbender (Cryptobranchus alleganiensis), also known as the hellbender salamander, is a species of aquatic giant salamander endemic to the eastern and central United States. It is the largest salamander in North America. A member of the family Cryptobranchidae, the hellbender is the only extant member of the genus Cryptobranchus.
This large salamander grows to a total length (including tail) of 29–57 cm (11–22 in) over a lifespan of 30 years. [6] The Ozark hellbender is a nocturnal predator that hides under large flat rocks and primarily consumes crayfish and small fish.
The family Proteidae is a group of aquatic salamanders found today in the Balkan Peninsula and North America. The range of the genus Necturus (commonly known as waterdogs or mudpuppies) runs from southern central Canada, through the midwestern United States, east to North Carolina and south to Georgia and Mississippi. [1]
Though not much is known about an adult salamander's eating habits, [25] it is known that they are likely to feed on earthworms, beetles, spiders, and even smaller kinds of salamanders. [26] Mud salamanders also can eat invertebrates as small as mites. [25] What the mud salamander tends to eat however, mainly lies in the habitat in which it lives.
These salamanders eat a variety of things which include insects, insect larvae, spiders, beetles, millipedes, snails, slugs, mollusks and large quantities of earthworms.
The olm (German: ⓘ) or proteus (Proteus anguinus) is an aquatic salamander which is the only species in the genus Proteus of the family Proteidae [2] and the only exclusively cave-dwelling chordate species found in Europe; the family's other extant genus is Necturus.