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Salamanders are a group of amphibians typically characterized by their lizard-like ... are nocturnal and are eaten by snakes, ... (History of Animals 5, 17) ...
Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals. Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night.
[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.
A troglobite (or, formally, troglobiont) is an animal species, or population of a species, strictly bound to underground habitats, such as caves.These are separate from species that mainly live in above-ground habitats but are also able to live underground (eutroglophiles), and species that are only cave visitors (subtroglophiles and trogloxenes). [1]
The Luschan’s salamander is a nocturnal, land-dwelling animal, most active during the rainy or wet season, which lasts from November to April in the Mediterranean region. [4] Males and females have similar weights. [4] Male and female L. luschani are sexually dimorphic. [4]
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.
Cryptobranchids are large and predominantly nocturnal salamanders that can reach a length of 1.8 m (5.9 ft), though most are considerably smaller today. [1] Despite being aquatic, they are poor swimmers and mostly just walk on the bottom.
It is nocturnal, spending daylight hours and dry periods in the cavities of oak trees, often with many other individuals of its species. [8] Having their primary habitat being in the trees, Arboreal Salamanders have been observed to deliberately use their body as a means to protect themselves from falls.