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Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals).
A number of diseases have been related to mass die-offs or declines in populations of amphibians, including "red-leg" disease (Aeromonas hydrophila), Ranavirus (family Iridoviridae), Anuraperkinsus, and chytridiomycosis. It is not entirely clear why these diseases have suddenly begun to affect amphibian populations, but some evidence suggests ...
The Chinese giant salamander, at 1.8 m (6 ft) the largest amphibian in the world, is critically endangered, as it is collected for food and for use in traditional Chinese medicine. An environmental education programme is being undertaken to encourage sustainable management of wild populations in the Qinling Mountains and captive breeding ...
Additionally 1193 amphibian species (16% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. [ 2 ]
Adults create nests (called redds) by moving rocks, and females release thousands of eggs, sometimes up to 100,000. [64] The male, intertwined with the female, fertilizes the eggs simultaneously. Being semelparous , both adults die after the eggs are fertilized.
It can also happen because weight loss can sometimes lead to lower levels of a hormone called leptin ... Ozempic butt is due to loss of fat—and lack of muscle, says Dr. Kumar. All the reason to ...
CaudacaeciliaTaylor, 1968. Ichthyophis is a genus of caecilians (limbless amphibians, sometimes called the Asian caecilians) found in Southeast Asia, the southern Philippines, and the western Indo-Australian Archipelago. In Sri Lanka, three species occur. All are found in almost all habitats, but are known to prefer moist ones.
Vijay Bassi Reed used Joe Wicks' 3-month workout and meal plan to lose 20 pounds of perimenopausal weight gain. Then she transitioned to Hyrox competitions.