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This aids the salamander when feeding. When the salamander performs the "suck and gape" feeding style, the prey is pulled into the mouth, and the teeth function to hold the prey inside the mouth and prevent the prey from escaping. [14] At both sides of their mouths their lips interlock, which allows them to use suction feeding. [7]
The axolotl is a popular exotic pet like its relative, the tiger salamander (Ambystoma tigrinum). As for all poikilothermic organisms, lower temperatures result in slower metabolism and a very unhealthily reduced appetite.
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.
Salamanders range in size from the minute salamanders, with a total length of 27 mm (1 + 1 ⁄ 8 in), including the tail, to the Chinese giant salamander which reaches 1.8 m (6 ft) and weighs up to 65 kg (145 lb).
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.
Spotted salamanders feed on earthworms, slugs, snails, spiders, millipedes, centipedes, insects, algae and other invertebrates. [25] [26] The spotted salamander larvae have been known to cannibalize others when food is scarce. [27] They sometimes also feed on smaller salamanders, such as the red-backed salamander. [28]
The western waterdog (Necturus beyeri) [2] is a species of aquatic salamander in the family Proteidae. It is endemic to the deep South, where it occurs in Alabama , Louisiana , Mississippi , and Texas .
Red salamanders eat insects, earthworms, spiders, small crustaceans, snails, and smaller salamanders. To eat, they extend their tongue to capture prey on the tip of it and retract it back into their mouths. [3] The red salamander, as a member of the family Plethodontidae (lungless salamanders) lacks lungs and respires through its skin. [4]