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The skin colour of amphibians is produced by three layers of pigment cells called chromatophores. These three cell layers consist of the melanophores (occupying the deepest layer), the guanophores (forming an intermediate layer and containing many granules, producing a blue-green colour) and the lipophores (yellow, the most superficial layer).
The skin also has numerous ring-shaped folds, or annuli, that partially encircle the body, giving them a segmented appearance. Like some other living amphibians, the skin contains glands that secrete a toxin to deter predators. [15] The skin secretions of Siphonops paulensis have been shown to have hemolytic properties. [26]
Excessive shedding of skin is seen in most frog species affected by B. dendrobatidis. [6] [26] These pieces of shed skin are described as opaque, gray-white, and tan. [6] Some of these patches of skin are also found adhered to the skin of the amphibians. [6] These signs of infection are often seen 12–15 days following exposure. [20]
An adult frog has a stout body, protruding eyes, anteriorly-attached tongue, limbs folded underneath, and no tail (the tail of tailed frogs is an extension of the male cloaca). Frogs have glandular skin, with secretions ranging from distasteful to toxic.
The name 'hellbender' probably comes from the animal's odd look. One theory claims the hellbender was named by settlers who thought "it was a creature from hell where it's bent on returning." Another rendition says the undulating skin of a hellbender reminded observers of "horrible tortures of the infernal regions."
From their similar shape and presentation to worms, and their internalized fertilization, they set themselves apart from many other amphibians. D. taitana interactions between mothers and newly hatched young are unique in that the mother uses her own skin as a food resource for offspring. This species also has physiological adaptations in place ...
The skin fragments that were found in their stomach are an indication that these frogs commit cannibalism or eat their own skin which is common among amphibians. Based on these results, P. pipa is an ambush predator that will opportunistically eat anything that falls into the water or that it may encounter when occasionally foraging on land. [14]
The glass frogs belong to the amphibian family Centrolenidae (order Anura), native to the Central American Rainforests.The general background coloration of most glass frogs is primarily lime green, the abdominal skin of some members of this family is transparent and translucent, giving the glass frog its common name.