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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]
The characters of Amphibia, a world of anthropomorphic frogs and other amphibians. Bullfrog from the adult animated show Captain Laserhawk: A Blood Dragon Remix; Crazy Frog; Kermit the Frog and Robin the Frog from The Muppets; Michigan J. Frog, star of the Looney Tunes short One Froggy Evening and onetime mascot of The WB
The skin becomes thicker and tougher, the lateral line system is lost, and skin glands are developed. [145] The final stage is the disappearance of the tail, but this takes place rather later, the tissue being used to produce a spurt of growth in the limbs. [ 158 ]
Female hellbenders lay 150–200 eggs over a two- to three-day period; the eggs are 18–20 mm (0.71–0.79 in) in diameter, connected by five to ten cords. As the female lays eggs, the male positions himself alongside or slightly above them, spraying the eggs with sperm while swaying his tail and moving his hind limbs, which disperses the ...
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.
The ability to breathe through their skin is associated with increased capillary density in their skin. [12] This mode of breathing, similar to that employed by amphibians, is known as cutaneous respiration. [6] Another important adaptation that aids breathing while out of water is their enlarged gill chambers, where they retain a bubble of air.
The female spawns clear marble-like eggs on the surface of the water, which is deposited as a mosaic structure. [26] The egg mass is round or squarish, with 10 to 150 eggs deposited as clusters in each mass. [27] The female deposits over 800 tiny eggs that hatch within 1.5 to 3.0 days. [28]