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The northern slimy salamander is called "slimy" because it produces sticky slime from glands on its lower back and tail in order to defend itself from predators. [2] It is also sometimes referred to as the viscid salamander, grey-spotted salamander, slippery salamander, or sticky salamander, depending on which source is consulted. [3]
Many species within this group (including the nominal species) are commonly known as "slimy salamanders", characterized by a large size, robust build and black-and-white coloration. Not all members of the Plethodon glutinosus group are labelled as slimy salamanders, and species delimitation among slimy salamanders and their close relatives is a ...
Atlantic Coast slimy salamander: Plethodon chlorobryonis: Eastern red-backed salamander: Plethodon cinereus: Secure (S5) White-spotted slimy salamander: Plethodon cylindraceus: Secure (S5) Dixie Caverns salamander: Plethodon dixi: Critically Imperiled (G1) Northern slimy salamander: Plethodon glutinosus: Secure (S5) Valley and ridge salamander ...
The species has only been found in parts of Kentucky, Virginia, West Virginia and Tennessee, and is considered to be a rare Appalachian salamander that makes its home in ancient rock faces.
Adult blackbelly salamanders (Desmognathus quadramaculatus) prey on adults and young of other species of salamanders, while their larvae sometimes cannibalise smaller larvae. [40] The head of a tiger salamander. Most species of salamander have small teeth in both their upper and lower jaws.
The largest species of lungless salamanders, Bell's false brook salamander, can reach lengths of 36 cm (14 in). [5] Many species have a projectile tongue and hyoid apparatus, which they can fire almost a body length at high speed to capture prey. Measured in individual numbers, they are very successful animals where they occur.
This is a list of amphibians of Pennsylvania as listed by the Pennsylvania Fish and Boat Commission. [1] Notes on ranges provided by Pennsylvania Amphibian & Reptile Survey . [ 2 ] Pennsylvania has 41 native species of amphibians, with 23 salamanders and newts, and 18 species of frogs and toads.
Desmognathus fuscus is a species of amphibian in the family Plethodontidae (lungless salamanders). [2] [3] The species is commonly called the dusky salamander or northern dusky salamander to distinguish it from populations in the southern United States which form several distinct species, the southern dusky salamanders (D. auriculatus, D. valentinei). [3]